Home / 15,074,057.84-20,807,610.72-8,962,471.76

Finding the Fourth Proportional to 15,074,057.84, 20,807,610.72 and 8,962,471.76

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Solution

The fourth proportional to 15,074,057.84, 20,807,610.72 and 8,962,471.76 is: 12,371,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,074,057.84 : 20,807,610.72 = 8,962,471.76 : x
  2. Step 2: Convert to fraction form
    15,074,057.84/20,807,610.72 = 8,962,471.76/x
  3. Step 3: Cross multiply
    15,074,057.84x = 20,807,610.72 × 8,962,471.76
  4. Step 4: Simplify right side
    15,074,057.84x = 186,487,623,471,073.25
  5. Step 5: Solve for x
    x = 186,487,623,471,073.25/15,074,057.84
  6. Step 6: Final answer
    x = 12,371,428.15

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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.