Home / 13,378,043.40-20,067,065.10-3,280,664.40

Finding the Fourth Proportional to 13,378,043.40, 20,067,065.10 and 3,280,664.40

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Solution

The fourth proportional to 13,378,043.40, 20,067,065.10 and 3,280,664.40 is: 4,920,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378,043.40 : 20,067,065.10 = 3,280,664.40 : x
  2. Step 2: Convert to fraction form
    13,378,043.40/20,067,065.10 = 3,280,664.40/x
  3. Step 3: Cross multiply
    13,378,043.40x = 20,067,065.10 × 3,280,664.40
  4. Step 4: Simplify right side
    13,378,043.40x = 65,833,306,086,052.45
  5. Step 5: Solve for x
    x = 65,833,306,086,052.45/13,378,043.40
  6. Step 6: Final answer
    x = 4,920,996.60

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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.