Home / 12,700,918.38-17,527,416.62-6,899,791.53

Finding the Fourth Proportional to 12,700,918.38, 17,527,416.62 and 6,899,791.53

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Solution

The fourth proportional to 12,700,918.38, 17,527,416.62 and 6,899,791.53 is: 9,521,793.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700,918.38 : 17,527,416.62 = 6,899,791.53 : x
  2. Step 2: Convert to fraction form
    12,700,918.38/17,527,416.62 = 6,899,791.53/x
  3. Step 3: Cross multiply
    12,700,918.38x = 17,527,416.62 × 6,899,791.53
  4. Step 4: Simplify right side
    12,700,918.38x = 120,935,520,737,457.23
  5. Step 5: Solve for x
    x = 120,935,520,737,457.23/12,700,918.38
  6. Step 6: Final answer
    x = 9,521,793.39

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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.