Home / 8,874,205.20-13,287,688.20-5,661,939.60

Finding the Fourth Proportional to 8,874,205.20, 13,287,688.20 and 5,661,939.60

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Solution

The fourth proportional to 8,874,205.20, 13,287,688.20 and 5,661,939.60 is: 8,477,839.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874,205.20 : 13,287,688.20 = 5,661,939.60 : x
  2. Step 2: Convert to fraction form
    8,874,205.20/13,287,688.20 = 5,661,939.60/x
  3. Step 3: Cross multiply
    8,874,205.20x = 13,287,688.20 × 5,661,939.60
  4. Step 4: Simplify right side
    8,874,205.20x = 75,234,088,012,032.70
  5. Step 5: Solve for x
    x = 75,234,088,012,032.70/8,874,205.20
  6. Step 6: Final answer
    x = 8,477,839.57

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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.