Home / 12,687,410.50-17,500,660.41-7,527,118.66

Finding the Fourth Proportional to 12,687,410.50, 17,500,660.41 and 7,527,118.66

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Solution

The fourth proportional to 12,687,410.50, 17,500,660.41 and 7,527,118.66 is: 10,382,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,410.50 : 17,500,660.41 = 7,527,118.66 : x
  2. Step 2: Convert to fraction form
    12,687,410.50/17,500,660.41 = 7,527,118.66/x
  3. Step 3: Cross multiply
    12,687,410.50x = 17,500,660.41 × 7,527,118.66
  4. Step 4: Simplify right side
    12,687,410.50x = 131,729,547,534,434.25
  5. Step 5: Solve for x
    x = 131,729,547,534,434.25/12,687,410.50
  6. Step 6: Final answer
    x = 10,382,697.68

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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.