Home / 13,486,540.10-20,229,810.15-5,400,763.70

Finding the Fourth Proportional to 13,486,540.10, 20,229,810.15 and 5,400,763.70

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Solution

The fourth proportional to 13,486,540.10, 20,229,810.15 and 5,400,763.70 is: 8,101,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,540.10 : 20,229,810.15 = 5,400,763.70 : x
  2. Step 2: Convert to fraction form
    13,486,540.10/20,229,810.15 = 5,400,763.70/x
  3. Step 3: Cross multiply
    13,486,540.10x = 20,229,810.15 × 5,400,763.70
  4. Step 4: Simplify right side
    13,486,540.10x = 109,256,424,316,011.55
  5. Step 5: Solve for x
    x = 109,256,424,316,011.55/13,486,540.10
  6. Step 6: Final answer
    x = 8,101,145.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.