Home / 15,727,690.18-21,693,032.13-10,498,061.63

Finding the Fourth Proportional to 15,727,690.18, 21,693,032.13 and 10,498,061.63

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Solution

The fourth proportional to 15,727,690.18, 21,693,032.13 and 10,498,061.63 is: 14,479,862.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727,690.18 : 21,693,032.13 = 10,498,061.63 : x
  2. Step 2: Convert to fraction form
    15,727,690.18/21,693,032.13 = 10,498,061.63/x
  3. Step 3: Cross multiply
    15,727,690.18x = 21,693,032.13 × 10,498,061.63
  4. Step 4: Simplify right side
    15,727,690.18x = 227,734,788,335,910.47
  5. Step 5: Solve for x
    x = 227,734,788,335,910.47/15,727,690.18
  6. Step 6: Final answer
    x = 14,479,862.31

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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.