Home / 5,078,382.45-7,006,812.11-3,011,679.75

Finding the Fourth Proportional to 5,078,382.45, 7,006,812.11 and 3,011,679.75

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Solution

The fourth proportional to 5,078,382.45, 7,006,812.11 and 3,011,679.75 is: 4,155,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,382.45 : 7,006,812.11 = 3,011,679.75 : x
  2. Step 2: Convert to fraction form
    5,078,382.45/7,006,812.11 = 3,011,679.75/x
  3. Step 3: Cross multiply
    5,078,382.45x = 7,006,812.11 × 3,011,679.75
  4. Step 4: Simplify right side
    5,078,382.45x = 21,102,274,177,546.52
  5. Step 5: Solve for x
    x = 21,102,274,177,546.52/5,078,382.45
  6. Step 6: Final answer
    x = 4,155,314.10

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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.