Home / 15,727,680.75-21,693,019.10-10,498,052.18

Finding the Fourth Proportional to 15,727,680.75, 21,693,019.10 and 10,498,052.18

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Solution

The fourth proportional to 15,727,680.75, 21,693,019.10 and 10,498,052.18 is: 14,479,849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727,680.75 : 21,693,019.10 = 10,498,052.18 : x
  2. Step 2: Convert to fraction form
    15,727,680.75/21,693,019.10 = 10,498,052.18/x
  3. Step 3: Cross multiply
    15,727,680.75x = 21,693,019.10 × 10,498,052.18
  4. Step 4: Simplify right side
    15,727,680.75x = 227,734,446,455,278.91
  5. Step 5: Solve for x
    x = 227,734,446,455,278.91/15,727,680.75
  6. Step 6: Final answer
    x = 14,479,849.26

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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.