Home / 7,776,604.60-11,644,494.90-5,489,780.20

Finding the Fourth Proportional to 7,776,604.60, 11,644,494.90 and 5,489,780.20

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Solution

The fourth proportional to 7,776,604.60, 11,644,494.90 and 5,489,780.20 is: 8,220,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,604.60 : 11,644,494.90 = 5,489,780.20 : x
  2. Step 2: Convert to fraction form
    7,776,604.60/11,644,494.90 = 5,489,780.20/x
  3. Step 3: Cross multiply
    7,776,604.60x = 11,644,494.90 × 5,489,780.20
  4. Step 4: Simplify right side
    7,776,604.60x = 63,925,717,541,020.98
  5. Step 5: Solve for x
    x = 63,925,717,541,020.98/7,776,604.60
  6. Step 6: Final answer
    x = 8,220,260.75

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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.