Home / 8,578,471.85-12,867,707.78-2,898,614.15

Finding the Fourth Proportional to 8,578,471.85, 12,867,707.78 and 2,898,614.15

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Solution

The fourth proportional to 8,578,471.85, 12,867,707.78 and 2,898,614.15 is: 4,347,921.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578,471.85 : 12,867,707.78 = 2,898,614.15 : x
  2. Step 2: Convert to fraction form
    8,578,471.85/12,867,707.78 = 2,898,614.15/x
  3. Step 3: Cross multiply
    8,578,471.85x = 12,867,707.78 × 2,898,614.15
  4. Step 4: Simplify right side
    8,578,471.85x = 37,298,519,834,680.02
  5. Step 5: Solve for x
    x = 37,298,519,834,680.02/8,578,471.85
  6. Step 6: Final answer
    x = 4,347,921.23

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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.