Home / 15,135,622.38-20,887,838.03-8,522,484.98

Finding the Fourth Proportional to 15,135,622.38, 20,887,838.03 and 8,522,484.98

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Solution

The fourth proportional to 15,135,622.38, 20,887,838.03 and 8,522,484.98 is: 11,761,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135,622.38 : 20,887,838.03 = 8,522,484.98 : x
  2. Step 2: Convert to fraction form
    15,135,622.38/20,887,838.03 = 8,522,484.98/x
  3. Step 3: Cross multiply
    15,135,622.38x = 20,887,838.03 × 8,522,484.98
  4. Step 4: Simplify right side
    15,135,622.38x = 178,016,285,792,214.78
  5. Step 5: Solve for x
    x = 178,016,285,792,214.78/15,135,622.38
  6. Step 6: Final answer
    x = 11,761,411.68

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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.