Home / 6,642,766.80-9,964,150.20-2,382,381.45

Finding the Fourth Proportional to 6,642,766.80, 9,964,150.20 and 2,382,381.45

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Solution

The fourth proportional to 6,642,766.80, 9,964,150.20 and 2,382,381.45 is: 3,573,572.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,766.80 : 9,964,150.20 = 2,382,381.45 : x
  2. Step 2: Convert to fraction form
    6,642,766.80/9,964,150.20 = 2,382,381.45/x
  3. Step 3: Cross multiply
    6,642,766.80x = 9,964,150.20 × 2,382,381.45
  4. Step 4: Simplify right side
    6,642,766.80x = 23,738,406,601,493.79
  5. Step 5: Solve for x
    x = 23,738,406,601,493.79/6,642,766.80
  6. Step 6: Final answer
    x = 3,573,572.18

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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.