Home / 8,665,695.60-12,988,045.80-3,868,292.40

Finding the Fourth Proportional to 8,665,695.60, 12,988,045.80 and 3,868,292.40

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Solution

The fourth proportional to 8,665,695.60, 12,988,045.80 and 3,868,292.40 is: 5,797,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665,695.60 : 12,988,045.80 = 3,868,292.40 : x
  2. Step 2: Convert to fraction form
    8,665,695.60/12,988,045.80 = 3,868,292.40/x
  3. Step 3: Cross multiply
    8,665,695.60x = 12,988,045.80 × 3,868,292.40
  4. Step 4: Simplify right side
    8,665,695.60x = 50,241,558,858,991.92
  5. Step 5: Solve for x
    x = 50,241,558,858,991.92/8,665,695.60
  6. Step 6: Final answer
    x = 5,797,752.56

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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.