Home / 12,569,711.82-18,851,126.66-3,469,633.98

Finding the Fourth Proportional to 12,569,711.82, 18,851,126.66 and 3,469,633.98

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Solution

The fourth proportional to 12,569,711.82, 18,851,126.66 and 3,469,633.98 is: 5,203,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569,711.82 : 18,851,126.66 = 3,469,633.98 : x
  2. Step 2: Convert to fraction form
    12,569,711.82/18,851,126.66 = 3,469,633.98/x
  3. Step 3: Cross multiply
    12,569,711.82x = 18,851,126.66 × 3,469,633.98
  4. Step 4: Simplify right side
    12,569,711.82x = 65,406,509,620,819.91
  5. Step 5: Solve for x
    x = 65,406,509,620,819.91/12,569,711.82
  6. Step 6: Final answer
    x = 5,203,501.13

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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.