Home / 8,510,999.20-12,766,498.80-8,274,803.20

Finding the Fourth Proportional to 8,510,999.20, 12,766,498.80 and 8,274,803.20

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Solution

The fourth proportional to 8,510,999.20, 12,766,498.80 and 8,274,803.20 is: 12,412,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510,999.20 : 12,766,498.80 = 8,274,803.20 : x
  2. Step 2: Convert to fraction form
    8,510,999.20/12,766,498.80 = 8,274,803.20/x
  3. Step 3: Cross multiply
    8,510,999.20x = 12,766,498.80 × 8,274,803.20
  4. Step 4: Simplify right side
    8,510,999.20x = 105,640,265,123,036.17
  5. Step 5: Solve for x
    x = 105,640,265,123,036.17/8,510,999.20
  6. Step 6: Final answer
    x = 12,412,204.80

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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.