Home / 8,381,676.29-11,561,980.63-5,278,868.06

Finding the Fourth Proportional to 8,381,676.29, 11,561,980.63 and 5,278,868.06

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Solution

The fourth proportional to 8,381,676.29, 11,561,980.63 and 5,278,868.06 is: 7,281,857.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381,676.29 : 11,561,980.63 = 5,278,868.06 : x
  2. Step 2: Convert to fraction form
    8,381,676.29/11,561,980.63 = 5,278,868.06/x
  3. Step 3: Cross multiply
    8,381,676.29x = 11,561,980.63 × 5,278,868.06
  4. Step 4: Simplify right side
    8,381,676.29x = 61,034,170,247,123.16
  5. Step 5: Solve for x
    x = 61,034,170,247,123.16/8,381,676.29
  6. Step 6: Final answer
    x = 7,281,857.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.