Home / 21,013,344.71-31,505,132.15-9,335,302.24

Finding the Fourth Proportional to 21,013,344.71, 31,505,132.15 and 9,335,302.24

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Solution

The fourth proportional to 21,013,344.71, 31,505,132.15 and 9,335,302.24 is: 13,996,340.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,013,344.71 : 31,505,132.15 = 9,335,302.24 : x
  2. Step 2: Convert to fraction form
    21,013,344.71/31,505,132.15 = 9,335,302.24/x
  3. Step 3: Cross multiply
    21,013,344.71x = 31,505,132.15 × 9,335,302.24
  4. Step 4: Simplify right side
    21,013,344.71x = 294,109,930,640,959.06
  5. Step 5: Solve for x
    x = 294,109,930,640,959.06/21,013,344.71
  6. Step 6: Final answer
    x = 13,996,340.64

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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.