Home / 13,486,542.90-20,229,814.35-8,942,722.35

Finding the Fourth Proportional to 13,486,542.90, 20,229,814.35 and 8,942,722.35

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Solution

The fourth proportional to 13,486,542.90, 20,229,814.35 and 8,942,722.35 is: 13,414,083.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,542.90 : 20,229,814.35 = 8,942,722.35 : x
  2. Step 2: Convert to fraction form
    13,486,542.90/20,229,814.35 = 8,942,722.35/x
  3. Step 3: Cross multiply
    13,486,542.90x = 20,229,814.35 × 8,942,722.35
  4. Step 4: Simplify right side
    13,486,542.90x = 180,909,612,924,095.72
  5. Step 5: Solve for x
    x = 180,909,612,924,095.72/13,486,542.90
  6. Step 6: Final answer
    x = 13,414,083.53

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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.