Home / 9,208,819.30-13,786,656.90-8,145,937.30

Finding the Fourth Proportional to 9,208,819.30, 13,786,656.90 and 8,145,937.30

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Solution

The fourth proportional to 9,208,819.30, 13,786,656.90 and 8,145,937.30 is: 12,195,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208,819.30 : 13,786,656.90 = 8,145,937.30 : x
  2. Step 2: Convert to fraction form
    9,208,819.30/13,786,656.90 = 8,145,937.30/x
  3. Step 3: Cross multiply
    9,208,819.30x = 13,786,656.90 × 8,145,937.30
  4. Step 4: Simplify right side
    9,208,819.30x = 112,305,242,684,012.38
  5. Step 5: Solve for x
    x = 112,305,242,684,012.38/9,208,819.30
  6. Step 6: Final answer
    x = 12,195,400.85

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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.