Home / 14,500,862.49-20,011,703.76-7,974,997.05

Finding the Fourth Proportional to 14,500,862.49, 20,011,703.76 and 7,974,997.05

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Solution

The fourth proportional to 14,500,862.49, 20,011,703.76 and 7,974,997.05 is: 11,005,778.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,862.49 : 20,011,703.76 = 7,974,997.05 : x
  2. Step 2: Convert to fraction form
    14,500,862.49/20,011,703.76 = 7,974,997.05/x
  3. Step 3: Cross multiply
    14,500,862.49x = 20,011,703.76 × 7,974,997.05
  4. Step 4: Simplify right side
    14,500,862.49x = 159,593,278,451,473.91
  5. Step 5: Solve for x
    x = 159,593,278,451,473.91/14,500,862.49
  6. Step 6: Final answer
    x = 11,005,778.35

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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.