Home / 12,667,103.61-17,482,470.75-8,021,312.82

Finding the Fourth Proportional to 12,667,103.61, 17,482,470.75 and 8,021,312.82

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Solution

The fourth proportional to 12,667,103.61, 17,482,470.75 and 8,021,312.82 is: 11,070,594.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667,103.61 : 17,482,470.75 = 8,021,312.82 : x
  2. Step 2: Convert to fraction form
    12,667,103.61/17,482,470.75 = 8,021,312.82/x
  3. Step 3: Cross multiply
    12,667,103.61x = 17,482,470.75 × 8,021,312.82
  4. Step 4: Simplify right side
    12,667,103.61x = 140,232,366,752,250.02
  5. Step 5: Solve for x
    x = 140,232,366,752,250.02/12,667,103.61
  6. Step 6: Final answer
    x = 11,070,594.44

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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.