Home / 12,687,315.17-17,500,529.27-7,527,022.25

Finding the Fourth Proportional to 12,687,315.17, 17,500,529.27 and 7,527,022.25

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Solution

The fourth proportional to 12,687,315.17, 17,500,529.27 and 7,527,022.25 is: 10,382,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,315.17 : 17,500,529.27 = 7,527,022.25 : x
  2. Step 2: Convert to fraction form
    12,687,315.17/17,500,529.27 = 7,527,022.25/x
  3. Step 3: Cross multiply
    12,687,315.17x = 17,500,529.27 × 7,527,022.25
  4. Step 4: Simplify right side
    12,687,315.17x = 131,726,873,164,431.16
  5. Step 5: Solve for x
    x = 131,726,873,164,431.16/12,687,315.17
  6. Step 6: Final answer
    x = 10,382,564.90

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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.