Home / 7,160,874.67-9,882,216.03-3,897,899.83

Finding the Fourth Proportional to 7,160,874.67, 9,882,216.03 and 3,897,899.83

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Solution

The fourth proportional to 7,160,874.67, 9,882,216.03 and 3,897,899.83 is: 5,379,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,874.67 : 9,882,216.03 = 3,897,899.83 : x
  2. Step 2: Convert to fraction form
    7,160,874.67/9,882,216.03 = 3,897,899.83/x
  3. Step 3: Cross multiply
    7,160,874.67x = 9,882,216.03 × 3,897,899.83
  4. Step 4: Simplify right side
    7,160,874.67x = 38,519,888,183,360.27
  5. Step 5: Solve for x
    x = 38,519,888,183,360.27/7,160,874.67
  6. Step 6: Final answer
    x = 5,379,215.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.