Home / 8,160,003.36-12,228,807.60-5,162,821.92

Finding the Fourth Proportional to 8,160,003.36, 12,228,807.60 and 5,162,821.92

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Solution

The fourth proportional to 8,160,003.36, 12,228,807.60 and 5,162,821.92 is: 7,737,148.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160,003.36 : 12,228,807.60 = 5,162,821.92 : x
  2. Step 2: Convert to fraction form
    8,160,003.36/12,228,807.60 = 5,162,821.92/x
  3. Step 3: Cross multiply
    8,160,003.36x = 12,228,807.60 × 5,162,821.92
  4. Step 4: Simplify right side
    8,160,003.36x = 63,135,155,932,742.59
  5. Step 5: Solve for x
    x = 63,135,155,932,742.59/8,160,003.36
  6. Step 6: Final answer
    x = 7,737,148.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.