Home / 38,595,001.31-53,261,863.54-21,191,194.30

Finding the Fourth Proportional to 38,595,001.31, 53,261,863.54 and 21,191,194.30

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Solution

The fourth proportional to 38,595,001.31, 53,261,863.54 and 21,191,194.30 is: 29,244,266.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,595,001.31 : 53,261,863.54 = 21,191,194.30 : x
  2. Step 2: Convert to fraction form
    38,595,001.31/53,261,863.54 = 21,191,194.30/x
  3. Step 3: Cross multiply
    38,595,001.31x = 53,261,863.54 × 21,191,194.30
  4. Step 4: Simplify right side
    38,595,001.31x = 1,128,682,499,056,225.75
  5. Step 5: Solve for x
    x = 1,128,682,499,056,225.75/38,595,001.31
  6. Step 6: Final answer
    x = 29,244,266.38

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Double scale
Find fourth proportional to 38,595,002.31, 53,261,864.92 and 21,191,195.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.