Home / 8,101,982.40-12,154,334.40-2,422,780.80

Finding the Fourth Proportional to 8,101,982.40, 12,154,334.40 and 2,422,780.80

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Solution

The fourth proportional to 8,101,982.40, 12,154,334.40 and 2,422,780.80 is: 3,634,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101,982.40 : 12,154,334.40 = 2,422,780.80 : x
  2. Step 2: Convert to fraction form
    8,101,982.40/12,154,334.40 = 2,422,780.80/x
  3. Step 3: Cross multiply
    8,101,982.40x = 12,154,334.40 × 2,422,780.80
  4. Step 4: Simplify right side
    8,101,982.40x = 29,447,288,021,099.52
  5. Step 5: Solve for x
    x = 29,447,288,021,099.52/8,101,982.40
  6. Step 6: Final answer
    x = 3,634,578.13

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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.