Home / 20,736,088.40-31,104,132.60-5,591,550.80

Finding the Fourth Proportional to 20,736,088.40, 31,104,132.60 and 5,591,550.80

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Solution

The fourth proportional to 20,736,088.40, 31,104,132.60 and 5,591,550.80 is: 8,387,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,088.40 : 31,104,132.60 = 5,591,550.80 : x
  2. Step 2: Convert to fraction form
    20,736,088.40/31,104,132.60 = 5,591,550.80/x
  3. Step 3: Cross multiply
    20,736,088.40x = 31,104,132.60 × 5,591,550.80
  4. Step 4: Simplify right side
    20,736,088.40x = 173,920,337,522,836.09
  5. Step 5: Solve for x
    x = 173,920,337,522,836.09/20,736,088.40
  6. Step 6: Final answer
    x = 8,387,326.20

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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.