Home / 12,658,617.38-17,468,876.20-6,857,423.10

Finding the Fourth Proportional to 12,658,617.38, 17,468,876.20 and 6,857,423.10

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Solution

The fourth proportional to 12,658,617.38, 17,468,876.20 and 6,857,423.10 is: 9,463,235.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658,617.38 : 17,468,876.20 = 6,857,423.10 : x
  2. Step 2: Convert to fraction form
    12,658,617.38/17,468,876.20 = 6,857,423.10/x
  3. Step 3: Cross multiply
    12,658,617.38x = 17,468,876.20 × 6,857,423.10
  4. Step 4: Simplify right side
    12,658,617.38x = 119,791,475,184,920.20
  5. Step 5: Solve for x
    x = 119,791,475,184,920.20/12,658,617.38
  6. Step 6: Final answer
    x = 9,463,235.33

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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.