Home / 8,789,717.20-13,188,512.40-3,994,938.40

Finding the Fourth Proportional to 8,789,717.20, 13,188,512.40 and 3,994,938.40

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Solution

The fourth proportional to 8,789,717.20, 13,188,512.40 and 3,994,938.40 is: 5,994,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,717.20 : 13,188,512.40 = 3,994,938.40 : x
  2. Step 2: Convert to fraction form
    8,789,717.20/13,188,512.40 = 3,994,938.40/x
  3. Step 3: Cross multiply
    8,789,717.20x = 13,188,512.40 × 3,994,938.40
  4. Step 4: Simplify right side
    8,789,717.20x = 52,687,294,625,636.16
  5. Step 5: Solve for x
    x = 52,687,294,625,636.16/8,789,717.20
  6. Step 6: Final answer
    x = 5,994,196.79

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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.