Home / 14,618,195.04-20,173,155.20-7,912,525.92

Finding the Fourth Proportional to 14,618,195.04, 20,173,155.20 and 7,912,525.92

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Solution

The fourth proportional to 14,618,195.04, 20,173,155.20 and 7,912,525.92 is: 10,919,310.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618,195.04 : 20,173,155.20 = 7,912,525.92 : x
  2. Step 2: Convert to fraction form
    14,618,195.04/20,173,155.20 = 7,912,525.92/x
  3. Step 3: Cross multiply
    14,618,195.04x = 20,173,155.20 × 7,912,525.92
  4. Step 4: Simplify right side
    14,618,195.04x = 159,620,613,408,182.78
  5. Step 5: Solve for x
    x = 159,620,613,408,182.78/14,618,195.04
  6. Step 6: Final answer
    x = 10,919,310.69

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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.