Home / 17,656,872.40-26,471,311.80-9,678,696.40

Finding the Fourth Proportional to 17,656,872.40, 26,471,311.80 and 9,678,696.40

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Solution

The fourth proportional to 17,656,872.40, 26,471,311.80 and 9,678,696.40 is: 14,510,372.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,656,872.40 : 26,471,311.80 = 9,678,696.40 : x
  2. Step 2: Convert to fraction form
    17,656,872.40/26,471,311.80 = 9,678,696.40/x
  3. Step 3: Cross multiply
    17,656,872.40x = 26,471,311.80 × 9,678,696.40
  4. Step 4: Simplify right side
    17,656,872.40x = 256,207,790,221,937.53
  5. Step 5: Solve for x
    x = 256,207,790,221,937.53/17,656,872.40
  6. Step 6: Final answer
    x = 14,510,372.19

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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.