Home / 12,667,110.25-17,482,479.90-8,021,319.51

Finding the Fourth Proportional to 12,667,110.25, 17,482,479.90 and 8,021,319.51

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Solution

The fourth proportional to 12,667,110.25, 17,482,479.90 and 8,021,319.51 is: 11,070,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667,110.25 : 17,482,479.90 = 8,021,319.51 : x
  2. Step 2: Convert to fraction form
    12,667,110.25/17,482,479.90 = 8,021,319.51/x
  3. Step 3: Cross multiply
    12,667,110.25x = 17,482,479.90 × 8,021,319.51
  4. Step 4: Simplify right side
    12,667,110.25x = 140,232,557,105,052.83
  5. Step 5: Solve for x
    x = 140,232,557,105,052.83/12,667,110.25
  6. Step 6: Final answer
    x = 11,070,603.66

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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.