Home / 18,394,834.16-25,385,444.19-10,555,781.86

Finding the Fourth Proportional to 18,394,834.16, 25,385,444.19 and 10,555,781.86

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Solution

The fourth proportional to 18,394,834.16, 25,385,444.19 and 10,555,781.86 is: 14,567,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394,834.16 : 25,385,444.19 = 10,555,781.86 : x
  2. Step 2: Convert to fraction form
    18,394,834.16/25,385,444.19 = 10,555,781.86/x
  3. Step 3: Cross multiply
    18,394,834.16x = 25,385,444.19 × 10,555,781.86
  4. Step 4: Simplify right side
    18,394,834.16x = 267,963,211,109,138.25
  5. Step 5: Solve for x
    x = 267,963,211,109,138.25/18,394,834.16
  6. Step 6: Final answer
    x = 14,567,307.80

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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.