Home / 8,353,480.20-12,542,030.10-5,164,834.20

Finding the Fourth Proportional to 8,353,480.20, 12,542,030.10 and 5,164,834.20

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Solution

The fourth proportional to 8,353,480.20, 12,542,030.10 and 5,164,834.20 is: 7,754,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353,480.20 : 12,542,030.10 = 5,164,834.20 : x
  2. Step 2: Convert to fraction form
    8,353,480.20/12,542,030.10 = 5,164,834.20/x
  3. Step 3: Cross multiply
    8,353,480.20x = 12,542,030.10 × 5,164,834.20
  4. Step 4: Simplify right side
    8,353,480.20x = 64,777,505,997,909.42
  5. Step 5: Solve for x
    x = 64,777,505,997,909.42/8,353,480.20
  6. Step 6: Final answer
    x = 7,754,553.13

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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.