Home / 13,877,691.91-20,732,195.81-8,980,099.72

Finding the Fourth Proportional to 13,877,691.91, 20,732,195.81 and 8,980,099.72

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Solution

The fourth proportional to 13,877,691.91, 20,732,195.81 and 8,980,099.72 is: 13,415,572.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877,691.91 : 20,732,195.81 = 8,980,099.72 : x
  2. Step 2: Convert to fraction form
    13,877,691.91/20,732,195.81 = 8,980,099.72/x
  3. Step 3: Cross multiply
    13,877,691.91x = 20,732,195.81 × 8,980,099.72
  4. Step 4: Simplify right side
    13,877,691.91x = 186,177,185,788,366.19
  5. Step 5: Solve for x
    x = 186,177,185,788,366.19/13,877,691.91
  6. Step 6: Final answer
    x = 13,415,572.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.