Home / 15,517,254.68-21,412,200.53-9,555,713.78

Finding the Fourth Proportional to 15,517,254.68, 21,412,200.53 and 9,555,713.78

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Solution

The fourth proportional to 15,517,254.68, 21,412,200.53 and 9,555,713.78 is: 13,185,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517,254.68 : 21,412,200.53 = 9,555,713.78 : x
  2. Step 2: Convert to fraction form
    15,517,254.68/21,412,200.53 = 9,555,713.78/x
  3. Step 3: Cross multiply
    15,517,254.68x = 21,412,200.53 × 9,555,713.78
  4. Step 4: Simplify right side
    15,517,254.68x = 204,608,859,554,611.47
  5. Step 5: Solve for x
    x = 204,608,859,554,611.47/15,517,254.68
  6. Step 6: Final answer
    x = 13,185,892.98

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1.5x scale

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.