Home / 12,687,417-17,500,669.38-7,527,125.16

Finding the Fourth Proportional to 12,687,417, 17,500,669.38 and 7,527,125.16

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Solution

The fourth proportional to 12,687,417, 17,500,669.38 and 7,527,125.16 is: 10,382,706.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,417 : 17,500,669.38 = 7,527,125.16 : x
  2. Step 2: Convert to fraction form
    12,687,417/17,500,669.38 = 7,527,125.16/x
  3. Step 3: Cross multiply
    12,687,417x = 17,500,669.38 × 7,527,125.16
  4. Step 4: Simplify right side
    12,687,417x = 131,729,728,807,039.59
  5. Step 5: Solve for x
    x = 131,729,728,807,039.59/12,687,417
  6. Step 6: Final answer
    x = 10,382,706.65

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Double scale
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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.