Home / 14,985,337.55-20,679,765.57-8,109,819.62

Finding the Fourth Proportional to 14,985,337.55, 20,679,765.57 and 8,109,819.62

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Solution

The fourth proportional to 14,985,337.55, 20,679,765.57 and 8,109,819.62 is: 11,191,550.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,337.55 : 20,679,765.57 = 8,109,819.62 : x
  2. Step 2: Convert to fraction form
    14,985,337.55/20,679,765.57 = 8,109,819.62/x
  3. Step 3: Cross multiply
    14,985,337.55x = 20,679,765.57 × 8,109,819.62
  4. Step 4: Simplify right side
    14,985,337.55x = 167,709,168,524,478.09
  5. Step 5: Solve for x
    x = 167,709,168,524,478.09/14,985,337.55
  6. Step 6: Final answer
    x = 11,191,550.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.