Home / 12,440,686.15-17,160,132.45-8,254,280.42

Finding the Fourth Proportional to 12,440,686.15, 17,160,132.45 and 8,254,280.42

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Solution

The fourth proportional to 12,440,686.15, 17,160,132.45 and 8,254,280.42 is: 11,385,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440,686.15 : 17,160,132.45 = 8,254,280.42 : x
  2. Step 2: Convert to fraction form
    12,440,686.15/17,160,132.45 = 8,254,280.42/x
  3. Step 3: Cross multiply
    12,440,686.15x = 17,160,132.45 × 8,254,280.42
  4. Step 4: Simplify right side
    12,440,686.15x = 141,644,545,329,541.97
  5. Step 5: Solve for x
    x = 141,644,545,329,541.97/12,440,686.15
  6. Step 6: Final answer
    x = 11,385,589.48

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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.