Home / 7,160,873.67-9,882,214.65-3,897,898.83

Finding the Fourth Proportional to 7,160,873.67, 9,882,214.65 and 3,897,898.83

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Solution

The fourth proportional to 7,160,873.67, 9,882,214.65 and 3,897,898.83 is: 5,379,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,873.67 : 9,882,214.65 = 3,897,898.83 : x
  2. Step 2: Convert to fraction form
    7,160,873.67/9,882,214.65 = 3,897,898.83/x
  3. Step 3: Cross multiply
    7,160,873.67x = 9,882,214.65 × 3,897,898.83
  4. Step 4: Simplify right side
    7,160,873.67x = 38,519,872,922,043.86
  5. Step 5: Solve for x
    x = 38,519,872,922,043.86/7,160,873.67
  6. Step 6: Final answer
    x = 5,379,214.14

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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.