Home / 10,050,917.94-15,078,058.16-7,891,855.65

Finding the Fourth Proportional to 10,050,917.94, 15,078,058.16 and 7,891,855.65

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Solution

The fourth proportional to 10,050,917.94, 15,078,058.16 and 7,891,855.65 is: 11,839,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,050,917.94 : 15,078,058.16 = 7,891,855.65 : x
  2. Step 2: Convert to fraction form
    10,050,917.94/15,078,058.16 = 7,891,855.65/x
  3. Step 3: Cross multiply
    10,050,917.94x = 15,078,058.16 × 7,891,855.65
  4. Step 4: Simplify right side
    10,050,917.94x = 118,993,858,441,565.33
  5. Step 5: Solve for x
    x = 118,993,858,441,565.33/10,050,917.94
  6. Step 6: Final answer
    x = 11,839,103.57

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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.