Home / 10,385,568.87-15,564,428.25-8,082,842.52

Finding the Fourth Proportional to 10,385,568.87, 15,564,428.25 and 8,082,842.52

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Solution

The fourth proportional to 10,385,568.87, 15,564,428.25 and 8,082,842.52 is: 12,113,426.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,568.87 : 15,564,428.25 = 8,082,842.52 : x
  2. Step 2: Convert to fraction form
    10,385,568.87/15,564,428.25 = 8,082,842.52/x
  3. Step 3: Cross multiply
    10,385,568.87x = 15,564,428.25 × 8,082,842.52
  4. Step 4: Simplify right side
    10,385,568.87x = 125,804,822,458,589.19
  5. Step 5: Solve for x
    x = 125,804,822,458,589.19/10,385,568.87
  6. Step 6: Final answer
    x = 12,113,426.24

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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.