Home / 12,379,335.29-17,083,149.93-7,420,577.63

Finding the Fourth Proportional to 12,379,335.29, 17,083,149.93 and 7,420,577.63

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Solution

The fourth proportional to 12,379,335.29, 17,083,149.93 and 7,420,577.63 is: 10,240,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,335.29 : 17,083,149.93 = 7,420,577.63 : x
  2. Step 2: Convert to fraction form
    12,379,335.29/17,083,149.93 = 7,420,577.63/x
  3. Step 3: Cross multiply
    12,379,335.29x = 17,083,149.93 × 7,420,577.63
  4. Step 4: Simplify right side
    12,379,335.29x = 126,766,840,141,877.94
  5. Step 5: Solve for x
    x = 126,766,840,141,877.94/12,379,335.29
  6. Step 6: Final answer
    x = 10,240,197.65

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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.