Home / 8,641,382.40-12,962,073.60-2,961,662.40

Finding the Fourth Proportional to 8,641,382.40, 12,962,073.60 and 2,961,662.40

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Solution

The fourth proportional to 8,641,382.40, 12,962,073.60 and 2,961,662.40 is: 4,442,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,641,382.40 : 12,962,073.60 = 2,961,662.40 : x
  2. Step 2: Convert to fraction form
    8,641,382.40/12,962,073.60 = 2,961,662.40/x
  3. Step 3: Cross multiply
    8,641,382.40x = 12,962,073.60 × 2,961,662.40
  4. Step 4: Simplify right side
    8,641,382.40x = 38,389,286,007,152.64
  5. Step 5: Solve for x
    x = 38,389,286,007,152.64/8,641,382.40
  6. Step 6: Final answer
    x = 4,442,493.60

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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.