Home / 12,336,385.65-18,493,587.37-5,855,462.65

Finding the Fourth Proportional to 12,336,385.65, 18,493,587.37 and 5,855,462.65

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Solution

The fourth proportional to 12,336,385.65, 18,493,587.37 and 5,855,462.65 is: 8,777,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336,385.65 : 18,493,587.37 = 5,855,462.65 : x
  2. Step 2: Convert to fraction form
    12,336,385.65/18,493,587.37 = 5,855,462.65/x
  3. Step 3: Cross multiply
    12,336,385.65x = 18,493,587.37 × 5,855,462.65
  4. Step 4: Simplify right side
    12,336,385.65x = 108,288,510,109,546.75
  5. Step 5: Solve for x
    x = 108,288,510,109,546.75/12,336,385.65
  6. Step 6: Final answer
    x = 8,777,977.05

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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.