Home / 19,689,463.52-29,534,195.28-5,312,531.30

Finding the Fourth Proportional to 19,689,463.52, 29,534,195.28 and 5,312,531.30

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Solution

The fourth proportional to 19,689,463.52, 29,534,195.28 and 5,312,531.30 is: 7,968,796.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689,463.52 : 29,534,195.28 = 5,312,531.30 : x
  2. Step 2: Convert to fraction form
    19,689,463.52/29,534,195.28 = 5,312,531.30/x
  3. Step 3: Cross multiply
    19,689,463.52x = 29,534,195.28 × 5,312,531.30
  4. Step 4: Simplify right side
    19,689,463.52x = 156,901,336,697,641.28
  5. Step 5: Solve for x
    x = 156,901,336,697,641.28/19,689,463.52
  6. Step 6: Final answer
    x = 7,968,796.94

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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.