Home / 10,497,958.60-15,746,937.90-5,189,542.60

Finding the Fourth Proportional to 10,497,958.60, 15,746,937.90 and 5,189,542.60

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Solution

The fourth proportional to 10,497,958.60, 15,746,937.90 and 5,189,542.60 is: 7,784,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497,958.60 : 15,746,937.90 = 5,189,542.60 : x
  2. Step 2: Convert to fraction form
    10,497,958.60/15,746,937.90 = 5,189,542.60/x
  3. Step 3: Cross multiply
    10,497,958.60x = 15,746,937.90 × 5,189,542.60
  4. Step 4: Simplify right side
    10,497,958.60x = 81,719,405,051,604.53
  5. Step 5: Solve for x
    x = 81,719,405,051,604.53/10,497,958.60
  6. Step 6: Final answer
    x = 7,784,313.90

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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.