Home / 14,969,253.56-20,657,449.70-8,690,363.56

Finding the Fourth Proportional to 14,969,253.56, 20,657,449.70 and 8,690,363.56

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Solution

The fourth proportional to 14,969,253.56, 20,657,449.70 and 8,690,363.56 is: 11,992,631.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969,253.56 : 20,657,449.70 = 8,690,363.56 : x
  2. Step 2: Convert to fraction form
    14,969,253.56/20,657,449.70 = 8,690,363.56/x
  3. Step 3: Cross multiply
    14,969,253.56x = 20,657,449.70 × 8,690,363.56
  4. Step 4: Simplify right side
    14,969,253.56x = 179,520,748,115,412.94
  5. Step 5: Solve for x
    x = 179,520,748,115,412.94/14,969,253.56
  6. Step 6: Final answer
    x = 11,992,631.92

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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.