Home / 13,454,081.76-20,169,119.52-4,932,428.16

Finding the Fourth Proportional to 13,454,081.76, 20,169,119.52 and 4,932,428.16

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Solution

The fourth proportional to 13,454,081.76, 20,169,119.52 and 4,932,428.16 is: 7,394,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454,081.76 : 20,169,119.52 = 4,932,428.16 : x
  2. Step 2: Convert to fraction form
    13,454,081.76/20,169,119.52 = 4,932,428.16/x
  3. Step 3: Cross multiply
    13,454,081.76x = 20,169,119.52 × 4,932,428.16
  4. Step 4: Simplify right side
    13,454,081.76x = 99,482,733,082,853.69
  5. Step 5: Solve for x
    x = 99,482,733,082,853.69/13,454,081.76
  6. Step 6: Final answer
    x = 7,394,241.75

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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.