Home / 13,185,305.88-19,781,026.02-4,086,920.76

Finding the Fourth Proportional to 13,185,305.88, 19,781,026.02 and 4,086,920.76

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Solution

The fourth proportional to 13,185,305.88, 19,781,026.02 and 4,086,920.76 is: 6,131,331.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185,305.88 : 19,781,026.02 = 4,086,920.76 : x
  2. Step 2: Convert to fraction form
    13,185,305.88/19,781,026.02 = 4,086,920.76/x
  3. Step 3: Cross multiply
    13,185,305.88x = 19,781,026.02 × 4,086,920.76
  4. Step 4: Simplify right side
    13,185,305.88x = 80,843,485,895,238.17
  5. Step 5: Solve for x
    x = 80,843,485,895,238.17/13,185,305.88
  6. Step 6: Final answer
    x = 6,131,331.85

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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.