Home / 31,504,246.50-47,264,340.15-8,785,146.18

Finding the Fourth Proportional to 31,504,246.50, 47,264,340.15 and 8,785,146.18

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Solution

The fourth proportional to 31,504,246.50, 47,264,340.15 and 8,785,146.18 is: 13,179,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,246.50 : 47,264,340.15 = 8,785,146.18 : x
  2. Step 2: Convert to fraction form
    31,504,246.50/47,264,340.15 = 8,785,146.18/x
  3. Step 3: Cross multiply
    31,504,246.50x = 47,264,340.15 × 8,785,146.18
  4. Step 4: Simplify right side
    31,504,246.50x = 415,224,137,318,993.12
  5. Step 5: Solve for x
    x = 415,224,137,318,993.12/31,504,246.50
  6. Step 6: Final answer
    x = 13,179,941.86

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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.