Home / 7,631,689.39-11,446,011.08-3,739,474.55

Finding the Fourth Proportional to 7,631,689.39, 11,446,011.08 and 3,739,474.55

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Solution

The fourth proportional to 7,631,689.39, 11,446,011.08 and 3,739,474.55 is: 5,608,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631,689.39 : 11,446,011.08 = 3,739,474.55 : x
  2. Step 2: Convert to fraction form
    7,631,689.39/11,446,011.08 = 3,739,474.55/x
  3. Step 3: Cross multiply
    7,631,689.39x = 11,446,011.08 × 3,739,474.55
  4. Step 4: Simplify right side
    7,631,689.39x = 42,802,067,156,618.70
  5. Step 5: Solve for x
    x = 42,802,067,156,618.70/7,631,689.39
  6. Step 6: Final answer
    x = 5,608,465.57

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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.