Home / 8,279,868.81-12,419,091.75-5,040,565.74

Finding the Fourth Proportional to 8,279,868.81, 12,419,091.75 and 5,040,565.74

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Solution

The fourth proportional to 8,279,868.81, 12,419,091.75 and 5,040,565.74 is: 7,560,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279,868.81 : 12,419,091.75 = 5,040,565.74 : x
  2. Step 2: Convert to fraction form
    8,279,868.81/12,419,091.75 = 5,040,565.74/x
  3. Step 3: Cross multiply
    8,279,868.81x = 12,419,091.75 × 5,040,565.74
  4. Step 4: Simplify right side
    8,279,868.81x = 62,599,248,415,868.77
  5. Step 5: Solve for x
    x = 62,599,248,415,868.77/8,279,868.81
  6. Step 6: Final answer
    x = 7,560,415.49

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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.