Home / 38,765,099.64-53,496,196.23-21,362,067.63

Finding the Fourth Proportional to 38,765,099.64, 53,496,196.23 and 21,362,067.63

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Solution

The fourth proportional to 38,765,099.64, 53,496,196.23 and 21,362,067.63 is: 29,479,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765,099.64 : 53,496,196.23 = 21,362,067.63 : x
  2. Step 2: Convert to fraction form
    38,765,099.64/53,496,196.23 = 21,362,067.63/x
  3. Step 3: Cross multiply
    38,765,099.64x = 53,496,196.23 × 21,362,067.63
  4. Step 4: Simplify right side
    38,765,099.64x = 1,142,789,361,893,118.75
  5. Step 5: Solve for x
    x = 1,142,789,361,893,118.75/38,765,099.64
  6. Step 6: Final answer
    x = 29,479,851.01

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Double scale
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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.