Home / 15,488,099.28-21,371,103.72-8,612,631.36

Finding the Fourth Proportional to 15,488,099.28, 21,371,103.72 and 8,612,631.36

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Solution

The fourth proportional to 15,488,099.28, 21,371,103.72 and 8,612,631.36 is: 11,884,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,488,099.28 : 21,371,103.72 = 8,612,631.36 : x
  2. Step 2: Convert to fraction form
    15,488,099.28/21,371,103.72 = 8,612,631.36/x
  3. Step 3: Cross multiply
    15,488,099.28x = 21,371,103.72 × 8,612,631.36
  4. Step 4: Simplify right side
    15,488,099.28x = 184,061,438,096,684.62
  5. Step 5: Solve for x
    x = 184,061,438,096,684.62/15,488,099.28
  6. Step 6: Final answer
    x = 11,884,055.93

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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.