Home / 7,328,143.80-10,992,215.70-3,073,116.60

Finding the Fourth Proportional to 7,328,143.80, 10,992,215.70 and 3,073,116.60

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Solution

The fourth proportional to 7,328,143.80, 10,992,215.70 and 3,073,116.60 is: 4,609,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,143.80 : 10,992,215.70 = 3,073,116.60 : x
  2. Step 2: Convert to fraction form
    7,328,143.80/10,992,215.70 = 3,073,116.60/x
  3. Step 3: Cross multiply
    7,328,143.80x = 10,992,215.70 × 3,073,116.60
  4. Step 4: Simplify right side
    7,328,143.80x = 33,780,360,538,450.62
  5. Step 5: Solve for x
    x = 33,780,360,538,450.62/7,328,143.80
  6. Step 6: Final answer
    x = 4,609,674.90

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Similar ratio
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1.5x scale

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.