Home / 7,125,215.05-9,832,557.58-4,222,882.90

Finding the Fourth Proportional to 7,125,215.05, 9,832,557.58 and 4,222,882.90

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Solution

The fourth proportional to 7,125,215.05, 9,832,557.58 and 4,222,882.90 is: 5,827,436.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125,215.05 : 9,832,557.58 = 4,222,882.90 : x
  2. Step 2: Convert to fraction form
    7,125,215.05/9,832,557.58 = 4,222,882.90/x
  3. Step 3: Cross multiply
    7,125,215.05x = 9,832,557.58 × 4,222,882.90
  4. Step 4: Simplify right side
    7,125,215.05x = 41,521,739,267,847.38
  5. Step 5: Solve for x
    x = 41,521,739,267,847.38/7,125,215.05
  6. Step 6: Final answer
    x = 5,827,436.64

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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.