Home / 8,019,115.40-12,028,673.10-6,690,512.90

Finding the Fourth Proportional to 8,019,115.40, 12,028,673.10 and 6,690,512.90

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Solution

The fourth proportional to 8,019,115.40, 12,028,673.10 and 6,690,512.90 is: 10,035,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019,115.40 : 12,028,673.10 = 6,690,512.90 : x
  2. Step 2: Convert to fraction form
    8,019,115.40/12,028,673.10 = 6,690,512.90/x
  3. Step 3: Cross multiply
    8,019,115.40x = 12,028,673.10 × 6,690,512.90
  4. Step 4: Simplify right side
    8,019,115.40x = 80,477,992,545,432.98
  5. Step 5: Solve for x
    x = 80,477,992,545,432.98/8,019,115.40
  6. Step 6: Final answer
    x = 10,035,769.35

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Similar ratio
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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.