Home / 8,766,917.80-13,152,834.30-4,279,340.20

Finding the Fourth Proportional to 8,766,917.80, 13,152,834.30 and 4,279,340.20

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Solution

The fourth proportional to 8,766,917.80, 13,152,834.30 and 4,279,340.20 is: 6,420,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766,917.80 : 13,152,834.30 = 4,279,340.20 : x
  2. Step 2: Convert to fraction form
    8,766,917.80/13,152,834.30 = 4,279,340.20/x
  3. Step 3: Cross multiply
    8,766,917.80x = 13,152,834.30 × 4,279,340.20
  4. Step 4: Simplify right side
    8,766,917.80x = 56,285,452,563,928.87
  5. Step 5: Solve for x
    x = 56,285,452,563,928.87/8,766,917.80
  6. Step 6: Final answer
    x = 6,420,209.91

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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.