Home / 12,944,113.88-17,865,934.20-7,440,681.11

Finding the Fourth Proportional to 12,944,113.88, 17,865,934.20 and 7,440,681.11

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Solution

The fourth proportional to 12,944,113.88, 17,865,934.20 and 7,440,681.11 is: 10,269,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,113.88 : 17,865,934.20 = 7,440,681.11 : x
  2. Step 2: Convert to fraction form
    12,944,113.88/17,865,934.20 = 7,440,681.11/x
  3. Step 3: Cross multiply
    12,944,113.88x = 17,865,934.20 × 7,440,681.11
  4. Step 4: Simplify right side
    12,944,113.88x = 132,934,719,114,442.97
  5. Step 5: Solve for x
    x = 132,934,719,114,442.97/12,944,113.88
  6. Step 6: Final answer
    x = 10,269,897.22

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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.