Home / 8,455,691.27-12,683,530.67-4,859,164.31

Finding the Fourth Proportional to 8,455,691.27, 12,683,530.67 and 4,859,164.31

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Solution

The fourth proportional to 8,455,691.27, 12,683,530.67 and 4,859,164.31 is: 7,288,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455,691.27 : 12,683,530.67 = 4,859,164.31 : x
  2. Step 2: Convert to fraction form
    8,455,691.27/12,683,530.67 = 4,859,164.31/x
  3. Step 3: Cross multiply
    8,455,691.27x = 12,683,530.67 × 4,859,164.31
  4. Step 4: Simplify right side
    8,455,691.27x = 61,631,359,468,740.91
  5. Step 5: Solve for x
    x = 61,631,359,468,740.91/8,455,691.27
  6. Step 6: Final answer
    x = 7,288,742.87

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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.