Home / 8,734,540.80-13,101,811.20-7,317,364.80

Finding the Fourth Proportional to 8,734,540.80, 13,101,811.20 and 7,317,364.80

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Solution

The fourth proportional to 8,734,540.80, 13,101,811.20 and 7,317,364.80 is: 10,976,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734,540.80 : 13,101,811.20 = 7,317,364.80 : x
  2. Step 2: Convert to fraction form
    8,734,540.80/13,101,811.20 = 7,317,364.80/x
  3. Step 3: Cross multiply
    8,734,540.80x = 13,101,811.20 × 7,317,364.80
  4. Step 4: Simplify right side
    8,734,540.80x = 95,870,732,091,125.75
  5. Step 5: Solve for x
    x = 95,870,732,091,125.75/8,734,540.80
  6. Step 6: Final answer
    x = 10,976,047.20

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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.