Home / 12,432,637.70-17,032,774.42-11,966,665.78

Finding the Fourth Proportional to 12,432,637.70, 17,032,774.42 and 11,966,665.78

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Solution

The fourth proportional to 12,432,637.70, 17,032,774.42 and 11,966,665.78 is: 16,394,390.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432,637.70 : 17,032,774.42 = 11,966,665.78 : x
  2. Step 2: Convert to fraction form
    12,432,637.70/17,032,774.42 = 11,966,665.78/x
  3. Step 3: Cross multiply
    12,432,637.70x = 17,032,774.42 × 11,966,665.78
  4. Step 4: Simplify right side
    12,432,637.70x = 203,825,518,860,184.88
  5. Step 5: Solve for x
    x = 203,825,518,860,184.88/12,432,637.70
  6. Step 6: Final answer
    x = 16,394,390.62

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.