Home / 7,316,881.38-10,975,890.51-2,198,911.86

Finding the Fourth Proportional to 7,316,881.38, 10,975,890.51 and 2,198,911.86

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Solution

The fourth proportional to 7,316,881.38, 10,975,890.51 and 2,198,911.86 is: 3,298,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316,881.38 : 10,975,890.51 = 2,198,911.86 : x
  2. Step 2: Convert to fraction form
    7,316,881.38/10,975,890.51 = 2,198,911.86/x
  3. Step 3: Cross multiply
    7,316,881.38x = 10,975,890.51 × 2,198,911.86
  4. Step 4: Simplify right side
    7,316,881.38x = 24,135,015,816,500.45
  5. Step 5: Solve for x
    x = 24,135,015,816,500.45/7,316,881.38
  6. Step 6: Final answer
    x = 3,298,538.62

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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.