Home / 7,712,073.60-11,568,110.40-2,919,919.20

Finding the Fourth Proportional to 7,712,073.60, 11,568,110.40 and 2,919,919.20

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Solution

The fourth proportional to 7,712,073.60, 11,568,110.40 and 2,919,919.20 is: 4,379,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712,073.60 : 11,568,110.40 = 2,919,919.20 : x
  2. Step 2: Convert to fraction form
    7,712,073.60/11,568,110.40 = 2,919,919.20/x
  3. Step 3: Cross multiply
    7,712,073.60x = 11,568,110.40 × 2,919,919.20
  4. Step 4: Simplify right side
    7,712,073.60x = 33,777,947,664,679.68
  5. Step 5: Solve for x
    x = 33,777,947,664,679.68/7,712,073.60
  6. Step 6: Final answer
    x = 4,379,878.80

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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.