Home / 8,145,122.85-12,219,066.68-2,465,302.05

Finding the Fourth Proportional to 8,145,122.85, 12,219,066.68 and 2,465,302.05

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Solution

The fourth proportional to 8,145,122.85, 12,219,066.68 and 2,465,302.05 is: 3,698,371.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145,122.85 : 12,219,066.68 = 2,465,302.05 : x
  2. Step 2: Convert to fraction form
    8,145,122.85/12,219,066.68 = 2,465,302.05/x
  3. Step 3: Cross multiply
    8,145,122.85x = 12,219,066.68 × 2,465,302.05
  4. Step 4: Simplify right side
    8,145,122.85x = 30,123,690,122,964.18
  5. Step 5: Solve for x
    x = 30,123,690,122,964.18/8,145,122.85
  6. Step 6: Final answer
    x = 3,698,371.49

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1.5x scale

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.