Home / 8,803,686.29-12,149,211.20-5,318,540.53

Finding the Fourth Proportional to 8,803,686.29, 12,149,211.20 and 5,318,540.53

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Solution

The fourth proportional to 8,803,686.29, 12,149,211.20 and 5,318,540.53 is: 7,339,660.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803,686.29 : 12,149,211.20 = 5,318,540.53 : x
  2. Step 2: Convert to fraction form
    8,803,686.29/12,149,211.20 = 5,318,540.53/x
  3. Step 3: Cross multiply
    8,803,686.29x = 12,149,211.20 × 5,318,540.53
  4. Step 4: Simplify right side
    8,803,686.29x = 64,616,072,117,764.20
  5. Step 5: Solve for x
    x = 64,616,072,117,764.20/8,803,686.29
  6. Step 6: Final answer
    x = 7,339,660.91

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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.