Home / 17,656,838.40-26,471,260.80-9,678,662.40

Finding the Fourth Proportional to 17,656,838.40, 26,471,260.80 and 9,678,662.40

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Solution

The fourth proportional to 17,656,838.40, 26,471,260.80 and 9,678,662.40 is: 14,510,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,656,838.40 : 26,471,260.80 = 9,678,662.40 : x
  2. Step 2: Convert to fraction form
    17,656,838.40/26,471,260.80 = 9,678,662.40/x
  3. Step 3: Cross multiply
    17,656,838.40x = 26,471,260.80 × 9,678,662.40
  4. Step 4: Simplify right side
    17,656,838.40x = 256,206,396,585,553.94
  5. Step 5: Solve for x
    x = 256,206,396,585,553.94/17,656,838.40
  6. Step 6: Final answer
    x = 14,510,321.20

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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.