Home / 12,012,795.72-18,020,593.38-3,926,377.80

Finding the Fourth Proportional to 12,012,795.72, 18,020,593.38 and 3,926,377.80

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Solution

The fourth proportional to 12,012,795.72, 18,020,593.38 and 3,926,377.80 is: 5,890,024.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,795.72 : 18,020,593.38 = 3,926,377.80 : x
  2. Step 2: Convert to fraction form
    12,012,795.72/18,020,593.38 = 3,926,377.80/x
  3. Step 3: Cross multiply
    12,012,795.72x = 18,020,593.38 × 3,926,377.80
  4. Step 4: Simplify right side
    12,012,795.72x = 70,755,657,790,058.95
  5. Step 5: Solve for x
    x = 70,755,657,790,058.95/12,012,795.72
  6. Step 6: Final answer
    x = 5,890,024.22

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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.