Home / 14,387,591.81-19,855,016.15-7,861,220.66

Finding the Fourth Proportional to 14,387,591.81, 19,855,016.15 and 7,861,220.66

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Solution

The fourth proportional to 14,387,591.81, 19,855,016.15 and 7,861,220.66 is: 10,848,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387,591.81 : 19,855,016.15 = 7,861,220.66 : x
  2. Step 2: Convert to fraction form
    14,387,591.81/19,855,016.15 = 7,861,220.66/x
  3. Step 3: Cross multiply
    14,387,591.81x = 19,855,016.15 × 7,861,220.66
  4. Step 4: Simplify right side
    14,387,591.81x = 156,084,663,024,432.47
  5. Step 5: Solve for x
    x = 156,084,663,024,432.47/14,387,591.81
  6. Step 6: Final answer
    x = 10,848,560.70

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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.