Home / 38,851,160.76-53,615,036.43-21,447,515.34

Finding the Fourth Proportional to 38,851,160.76, 53,615,036.43 and 21,447,515.34

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Solution

The fourth proportional to 38,851,160.76, 53,615,036.43 and 21,447,515.34 is: 29,597,811.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,851,160.76 : 53,615,036.43 = 21,447,515.34 : x
  2. Step 2: Convert to fraction form
    38,851,160.76/53,615,036.43 = 21,447,515.34/x
  3. Step 3: Cross multiply
    38,851,160.76x = 53,615,036.43 × 21,447,515.34
  4. Step 4: Simplify right side
    38,851,160.76x = 1,149,909,316,287,083.75
  5. Step 5: Solve for x
    x = 1,149,909,316,287,083.75/38,851,160.76
  6. Step 6: Final answer
    x = 29,597,811.08

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Double scale
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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.