Home / 12,415,315.15-18,623,759.91-3,895,987.87

Finding the Fourth Proportional to 12,415,315.15, 18,623,759.91 and 3,895,987.87

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Solution

The fourth proportional to 12,415,315.15, 18,623,759.91 and 3,895,987.87 is: 5,844,228.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,315.15 : 18,623,759.91 = 3,895,987.87 : x
  2. Step 2: Convert to fraction form
    12,415,315.15/18,623,759.91 = 3,895,987.87/x
  3. Step 3: Cross multiply
    12,415,315.15x = 18,623,759.91 × 3,895,987.87
  4. Step 4: Simplify right side
    12,415,315.15x = 72,557,942,703,152.30
  5. Step 5: Solve for x
    x = 72,557,942,703,152.30/12,415,315.15
  6. Step 6: Final answer
    x = 5,844,228.83

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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.