Home / 10,656,182.08-15,980,305.75-3,830,892.72

Finding the Fourth Proportional to 10,656,182.08, 15,980,305.75 and 3,830,892.72

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Solution

The fourth proportional to 10,656,182.08, 15,980,305.75 and 3,830,892.72 is: 5,744,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,182.08 : 15,980,305.75 = 3,830,892.72 : x
  2. Step 2: Convert to fraction form
    10,656,182.08/15,980,305.75 = 3,830,892.72/x
  3. Step 3: Cross multiply
    10,656,182.08x = 15,980,305.75 × 3,830,892.72
  4. Step 4: Simplify right side
    10,656,182.08x = 61,218,836,961,049.14
  5. Step 5: Solve for x
    x = 61,218,836,961,049.14/10,656,182.08
  6. Step 6: Final answer
    x = 5,744,912.81

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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.