Home / 13,387,170.11-20,086,437.41-7,314,808.17

Finding the Fourth Proportional to 13,387,170.11, 20,086,437.41 and 7,314,808.17

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Solution

The fourth proportional to 13,387,170.11, 20,086,437.41 and 7,314,808.17 is: 10,975,317.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387,170.11 : 20,086,437.41 = 7,314,808.17 : x
  2. Step 2: Convert to fraction form
    13,387,170.11/20,086,437.41 = 7,314,808.17/x
  3. Step 3: Cross multiply
    13,387,170.11x = 20,086,437.41 × 7,314,808.17
  4. Step 4: Simplify right side
    13,387,170.11x = 146,928,436,539,042.28
  5. Step 5: Solve for x
    x = 146,928,436,539,042.28/13,387,170.11
  6. Step 6: Final answer
    x = 10,975,317.07

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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.