Home / 20,736,074.80-31,104,112.20-6,552,650.80

Finding the Fourth Proportional to 20,736,074.80, 31,104,112.20 and 6,552,650.80

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Solution

The fourth proportional to 20,736,074.80, 31,104,112.20 and 6,552,650.80 is: 9,828,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,074.80 : 31,104,112.20 = 6,552,650.80 : x
  2. Step 2: Convert to fraction form
    20,736,074.80/31,104,112.20 = 6,552,650.80/x
  3. Step 3: Cross multiply
    20,736,074.80x = 31,104,112.20 × 6,552,650.80
  4. Step 4: Simplify right side
    20,736,074.80x = 203,814,385,690,619.75
  5. Step 5: Solve for x
    x = 203,814,385,690,619.75/20,736,074.80
  6. Step 6: Final answer
    x = 9,828,976.20

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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.