Home / 38,420,398.59-57,538,254.08-21,975,828.95

Finding the Fourth Proportional to 38,420,398.59, 57,538,254.08 and 21,975,828.95

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Solution

The fourth proportional to 38,420,398.59, 57,538,254.08 and 21,975,828.95 is: 32,910,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,420,398.59 : 57,538,254.08 = 21,975,828.95 : x
  2. Step 2: Convert to fraction form
    38,420,398.59/57,538,254.08 = 21,975,828.95/x
  3. Step 3: Cross multiply
    38,420,398.59x = 57,538,254.08 × 21,975,828.95
  4. Step 4: Simplify right side
    38,420,398.59x = 1,264,450,829,489,995
  5. Step 5: Solve for x
    x = 1,264,450,829,489,995/38,420,398.59
  6. Step 6: Final answer
    x = 32,910,924.30

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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.