Home / 20,883,080.80-31,325,470.56-9,947,648.92

Finding the Fourth Proportional to 20,883,080.80, 31,325,470.56 and 9,947,648.92

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Solution

The fourth proportional to 20,883,080.80, 31,325,470.56 and 9,947,648.92 is: 14,921,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,080.80 : 31,325,470.56 = 9,947,648.92 : x
  2. Step 2: Convert to fraction form
    20,883,080.80/31,325,470.56 = 9,947,648.92/x
  3. Step 3: Cross multiply
    20,883,080.80x = 31,325,470.56 × 9,947,648.92
  4. Step 4: Simplify right side
    20,883,080.80x = 311,614,783,384,675.75
  5. Step 5: Solve for x
    x = 311,614,783,384,675.75/20,883,080.80
  6. Step 6: Final answer
    x = 14,921,877.97

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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.