Home / 12,838,600.43-17,706,937.85-11,286,543.60

Finding the Fourth Proportional to 12,838,600.43, 17,706,937.85 and 11,286,543.60

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Solution

The fourth proportional to 12,838,600.43, 17,706,937.85 and 11,286,543.60 is: 15,566,348.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838,600.43 : 17,706,937.85 = 11,286,543.60 : x
  2. Step 2: Convert to fraction form
    12,838,600.43/17,706,937.85 = 11,286,543.60/x
  3. Step 3: Cross multiply
    12,838,600.43x = 17,706,937.85 × 11,286,543.60
  4. Step 4: Simplify right side
    12,838,600.43x = 199,850,126,010,082.53
  5. Step 5: Solve for x
    x = 199,850,126,010,082.53/12,838,600.43
  6. Step 6: Final answer
    x = 15,566,348.31

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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.