Home / 12,415,314.15-18,623,758.41-3,895,986.87

Finding the Fourth Proportional to 12,415,314.15, 18,623,758.41 and 3,895,986.87

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Solution

The fourth proportional to 12,415,314.15, 18,623,758.41 and 3,895,986.87 is: 5,844,227.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,314.15 : 18,623,758.41 = 3,895,986.87 : x
  2. Step 2: Convert to fraction form
    12,415,314.15/18,623,758.41 = 3,895,986.87/x
  3. Step 3: Cross multiply
    12,415,314.15x = 18,623,758.41 × 3,895,986.87
  4. Step 4: Simplify right side
    12,415,314.15x = 72,557,918,235,412.08
  5. Step 5: Solve for x
    x = 72,557,918,235,412.08/12,415,314.15
  6. Step 6: Final answer
    x = 5,844,227.33

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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.