Home / 7,665,712.80-11,474,648.28-5,646,237

Finding the Fourth Proportional to 7,665,712.80, 11,474,648.28 and 5,646,237

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Solution

The fourth proportional to 7,665,712.80, 11,474,648.28 and 5,646,237 is: 8,451,736.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665,712.80 : 11,474,648.28 = 5,646,237 : x
  2. Step 2: Convert to fraction form
    7,665,712.80/11,474,648.28 = 5,646,237/x
  3. Step 3: Cross multiply
    7,665,712.80x = 11,474,648.28 × 5,646,237
  4. Step 4: Simplify right side
    7,665,712.80x = 64,788,583,680,522.36
  5. Step 5: Solve for x
    x = 64,788,583,680,522.36/7,665,712.80
  6. Step 6: Final answer
    x = 8,451,736.37

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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.