Home / 14,561,612.20-21,856,415.10-7,381,253.80

Finding the Fourth Proportional to 14,561,612.20, 21,856,415.10 and 7,381,253.80

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Solution

The fourth proportional to 14,561,612.20, 21,856,415.10 and 7,381,253.80 is: 11,078,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561,612.20 : 21,856,415.10 = 7,381,253.80 : x
  2. Step 2: Convert to fraction form
    14,561,612.20/21,856,415.10 = 7,381,253.80/x
  3. Step 3: Cross multiply
    14,561,612.20x = 21,856,415.10 × 7,381,253.80
  4. Step 4: Simplify right side
    14,561,612.20x = 161,327,747,011,252.38
  5. Step 5: Solve for x
    x = 161,327,747,011,252.38/14,561,612.20
  6. Step 6: Final answer
    x = 11,078,975.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.