Home / 13,486,543.90-20,229,815.85-8,942,723.35

Finding the Fourth Proportional to 13,486,543.90, 20,229,815.85 and 8,942,723.35

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Solution

The fourth proportional to 13,486,543.90, 20,229,815.85 and 8,942,723.35 is: 13,414,085.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,543.90 : 20,229,815.85 = 8,942,723.35 : x
  2. Step 2: Convert to fraction form
    13,486,543.90/20,229,815.85 = 8,942,723.35/x
  3. Step 3: Cross multiply
    13,486,543.90x = 20,229,815.85 × 8,942,723.35
  4. Step 4: Simplify right side
    13,486,543.90x = 180,909,646,567,995.09
  5. Step 5: Solve for x
    x = 180,909,646,567,995.09/13,486,543.90
  6. Step 6: Final answer
    x = 13,414,085.03

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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.