Home / 5,427,478.09-8,140,949.83-2,016,428.77

Finding the Fourth Proportional to 5,427,478.09, 8,140,949.83 and 2,016,428.77

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Solution

The fourth proportional to 5,427,478.09, 8,140,949.83 and 2,016,428.77 is: 3,024,543.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427,478.09 : 8,140,949.83 = 2,016,428.77 : x
  2. Step 2: Convert to fraction form
    5,427,478.09/8,140,949.83 = 2,016,428.77/x
  3. Step 3: Cross multiply
    5,427,478.09x = 8,140,949.83 × 2,016,428.77
  4. Step 4: Simplify right side
    5,427,478.09x = 16,415,645,452,338.61
  5. Step 5: Solve for x
    x = 16,415,645,452,338.61/5,427,478.09
  6. Step 6: Final answer
    x = 3,024,543.85

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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.