Home / 29,403,943.60-44,105,915.40-21,278,801.20

Finding the Fourth Proportional to 29,403,943.60, 44,105,915.40 and 21,278,801.20

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Solution

The fourth proportional to 29,403,943.60, 44,105,915.40 and 21,278,801.20 is: 31,918,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,403,943.60 : 44,105,915.40 = 21,278,801.20 : x
  2. Step 2: Convert to fraction form
    29,403,943.60/44,105,915.40 = 21,278,801.20/x
  3. Step 3: Cross multiply
    29,403,943.60x = 44,105,915.40 × 21,278,801.20
  4. Step 4: Simplify right side
    29,403,943.60x = 938,521,005,540,618.38
  5. Step 5: Solve for x
    x = 938,521,005,540,618.38/29,403,943.60
  6. Step 6: Final answer
    x = 31,918,201.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.