Home / 13,821,656.30-20,748,230.85-8,145,079.10

Finding the Fourth Proportional to 13,821,656.30, 20,748,230.85 and 8,145,079.10

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Solution

The fourth proportional to 13,821,656.30, 20,748,230.85 and 8,145,079.10 is: 12,226,897.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821,656.30 : 20,748,230.85 = 8,145,079.10 : x
  2. Step 2: Convert to fraction form
    13,821,656.30/20,748,230.85 = 8,145,079.10/x
  3. Step 3: Cross multiply
    13,821,656.30x = 20,748,230.85 × 8,145,079.10
  4. Step 4: Simplify right side
    13,821,656.30x = 168,995,981,458,310.25
  5. Step 5: Solve for x
    x = 168,995,981,458,310.25/13,821,656.30
  6. Step 6: Final answer
    x = 12,226,897.98

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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.