Home / 7,750,865.13-11,597,862.78-6,468,306.54

Finding the Fourth Proportional to 7,750,865.13, 11,597,862.78 and 6,468,306.54

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Solution

The fourth proportional to 7,750,865.13, 11,597,862.78 and 6,468,306.54 is: 9,678,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750,865.13 : 11,597,862.78 = 6,468,306.54 : x
  2. Step 2: Convert to fraction form
    7,750,865.13/11,597,862.78 = 6,468,306.54/x
  3. Step 3: Cross multiply
    7,750,865.13x = 11,597,862.78 × 6,468,306.54
  4. Step 4: Simplify right side
    7,750,865.13x = 75,018,531,669,896.58
  5. Step 5: Solve for x
    x = 75,018,531,669,896.58/7,750,865.13
  6. Step 6: Final answer
    x = 9,678,730.10

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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.