Home / 8,881,751.20-13,304,912.10-6,189,116.80

Finding the Fourth Proportional to 8,881,751.20, 13,304,912.10 and 6,189,116.80

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Solution

The fourth proportional to 8,881,751.20, 13,304,912.10 and 6,189,116.80 is: 9,271,330.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881,751.20 : 13,304,912.10 = 6,189,116.80 : x
  2. Step 2: Convert to fraction form
    8,881,751.20/13,304,912.10 = 6,189,116.80/x
  3. Step 3: Cross multiply
    8,881,751.20x = 13,304,912.10 × 6,189,116.80
  4. Step 4: Simplify right side
    8,881,751.20x = 82,345,655,000,633.28
  5. Step 5: Solve for x
    x = 82,345,655,000,633.28/8,881,751.20
  6. Step 6: Final answer
    x = 9,271,330.97

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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.