Home / 8,186,118.39-12,280,478.85-2,721,407.22

Finding the Fourth Proportional to 8,186,118.39, 12,280,478.85 and 2,721,407.22

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Solution

The fourth proportional to 8,186,118.39, 12,280,478.85 and 2,721,407.22 is: 4,082,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186,118.39 : 12,280,478.85 = 2,721,407.22 : x
  2. Step 2: Convert to fraction form
    8,186,118.39/12,280,478.85 = 2,721,407.22/x
  3. Step 3: Cross multiply
    8,186,118.39x = 12,280,478.85 × 2,721,407.22
  4. Step 4: Simplify right side
    8,186,118.39x = 33,420,183,807,447.30
  5. Step 5: Solve for x
    x = 33,420,183,807,447.30/8,186,118.39
  6. Step 6: Final answer
    x = 4,082,543.42

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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.