Home / 9,418,908.24-12,997,204.95-5,288,132.61

Finding the Fourth Proportional to 9,418,908.24, 12,997,204.95 and 5,288,132.61

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Solution

The fourth proportional to 9,418,908.24, 12,997,204.95 and 5,288,132.61 is: 7,297,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418,908.24 : 12,997,204.95 = 5,288,132.61 : x
  2. Step 2: Convert to fraction form
    9,418,908.24/12,997,204.95 = 5,288,132.61/x
  3. Step 3: Cross multiply
    9,418,908.24x = 12,997,204.95 × 5,288,132.61
  4. Step 4: Simplify right side
    9,418,908.24x = 68,730,943,334,948.42
  5. Step 5: Solve for x
    x = 68,730,943,334,948.42/9,418,908.24
  6. Step 6: Final answer
    x = 7,297,124.21

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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.