Home / 7,388,045.10-11,082,067.65-6,912,153.90

Finding the Fourth Proportional to 7,388,045.10, 11,082,067.65 and 6,912,153.90

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Solution

The fourth proportional to 7,388,045.10, 11,082,067.65 and 6,912,153.90 is: 10,368,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388,045.10 : 11,082,067.65 = 6,912,153.90 : x
  2. Step 2: Convert to fraction form
    7,388,045.10/11,082,067.65 = 6,912,153.90/x
  3. Step 3: Cross multiply
    7,388,045.10x = 11,082,067.65 × 6,912,153.90
  4. Step 4: Simplify right side
    7,388,045.10x = 76,600,957,127,011.34
  5. Step 5: Solve for x
    x = 76,600,957,127,011.34/7,388,045.10
  6. Step 6: Final answer
    x = 10,368,230.85

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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.