Home / 10,134,209.60-15,201,412.82-8,107,418.42

Finding the Fourth Proportional to 10,134,209.60, 15,201,412.82 and 8,107,418.42

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Solution

The fourth proportional to 10,134,209.60, 15,201,412.82 and 8,107,418.42 is: 12,161,206.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134,209.60 : 15,201,412.82 = 8,107,418.42 : x
  2. Step 2: Convert to fraction form
    10,134,209.60/15,201,412.82 = 8,107,418.42/x
  3. Step 3: Cross multiply
    10,134,209.60x = 15,201,412.82 × 8,107,418.42
  4. Step 4: Simplify right side
    10,134,209.60x = 123,244,214,306,892.14
  5. Step 5: Solve for x
    x = 123,244,214,306,892.14/10,134,209.60
  6. Step 6: Final answer
    x = 12,161,206.37

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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.