Home / 15,817,560.28-21,828,961.02-8,942,332.12

Finding the Fourth Proportional to 15,817,560.28, 21,828,961.02 and 8,942,332.12

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Solution

The fourth proportional to 15,817,560.28, 21,828,961.02 and 8,942,332.12 is: 12,340,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,817,560.28 : 21,828,961.02 = 8,942,332.12 : x
  2. Step 2: Convert to fraction form
    15,817,560.28/21,828,961.02 = 8,942,332.12/x
  3. Step 3: Cross multiply
    15,817,560.28x = 21,828,961.02 × 8,942,332.12
  4. Step 4: Simplify right side
    15,817,560.28x = 195,201,819,275,373.94
  5. Step 5: Solve for x
    x = 195,201,819,275,373.94/15,817,560.28
  6. Step 6: Final answer
    x = 12,340,829.80

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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.