Home / 12,687,423-17,500,677.66-7,527,131.16

Finding the Fourth Proportional to 12,687,423, 17,500,677.66 and 7,527,131.16

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Solution

The fourth proportional to 12,687,423, 17,500,677.66 and 7,527,131.16 is: 10,382,714.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,423 : 17,500,677.66 = 7,527,131.16 : x
  2. Step 2: Convert to fraction form
    12,687,423/17,500,677.66 = 7,527,131.16/x
  3. Step 3: Cross multiply
    12,687,423x = 17,500,677.66 × 7,527,131.16
  4. Step 4: Simplify right side
    12,687,423x = 131,729,896,135,701.89
  5. Step 5: Solve for x
    x = 131,729,896,135,701.89/12,687,423
  6. Step 6: Final answer
    x = 10,382,714.92

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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.