Home / 31,578,002.60-47,367,003.90-7,643,474.60

Finding the Fourth Proportional to 31,578,002.60, 47,367,003.90 and 7,643,474.60

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Solution

The fourth proportional to 31,578,002.60, 47,367,003.90 and 7,643,474.60 is: 11,465,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,578,002.60 : 47,367,003.90 = 7,643,474.60 : x
  2. Step 2: Convert to fraction form
    31,578,002.60/47,367,003.90 = 7,643,474.60/x
  3. Step 3: Cross multiply
    31,578,002.60x = 47,367,003.90 × 7,643,474.60
  4. Step 4: Simplify right side
    31,578,002.60x = 362,048,491,187,750.94
  5. Step 5: Solve for x
    x = 362,048,491,187,750.94/31,578,002.60
  6. Step 6: Final answer
    x = 11,465,211.90

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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.