Home / 8,787,150.72-12,120,006.24-8,064,332.64

Finding the Fourth Proportional to 8,787,150.72, 12,120,006.24 and 8,064,332.64

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Solution

The fourth proportional to 8,787,150.72, 12,120,006.24 and 8,064,332.64 is: 11,123,032.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787,150.72 : 12,120,006.24 = 8,064,332.64 : x
  2. Step 2: Convert to fraction form
    8,787,150.72/12,120,006.24 = 8,064,332.64/x
  3. Step 3: Cross multiply
    8,787,150.72x = 12,120,006.24 × 8,064,332.64
  4. Step 4: Simplify right side
    8,787,150.72x = 97,739,761,918,235.67
  5. Step 5: Solve for x
    x = 97,739,761,918,235.67/8,787,150.72
  6. Step 6: Final answer
    x = 11,123,032.37

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1.5x scale

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.