Home / 12,472,204.40-18,708,306.60-7,097,433.20

Finding the Fourth Proportional to 12,472,204.40, 18,708,306.60 and 7,097,433.20

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Solution

The fourth proportional to 12,472,204.40, 18,708,306.60 and 7,097,433.20 is: 10,646,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,204.40 : 18,708,306.60 = 7,097,433.20 : x
  2. Step 2: Convert to fraction form
    12,472,204.40/18,708,306.60 = 7,097,433.20/x
  3. Step 3: Cross multiply
    12,472,204.40x = 18,708,306.60 × 7,097,433.20
  4. Step 4: Simplify right side
    12,472,204.40x = 132,780,956,378,619.14
  5. Step 5: Solve for x
    x = 132,780,956,378,619.14/12,472,204.40
  6. Step 6: Final answer
    x = 10,646,149.80

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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.