Home / 13,275,340.20-19,892,015.10-9,874,117.80

Finding the Fourth Proportional to 13,275,340.20, 19,892,015.10 and 9,874,117.80

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Solution

The fourth proportional to 13,275,340.20, 19,892,015.10 and 9,874,117.80 is: 14,795,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275,340.20 : 19,892,015.10 = 9,874,117.80 : x
  2. Step 2: Convert to fraction form
    13,275,340.20/19,892,015.10 = 9,874,117.80/x
  3. Step 3: Cross multiply
    13,275,340.20x = 19,892,015.10 × 9,874,117.80
  4. Step 4: Simplify right side
    13,275,340.20x = 196,416,100,376,778.81
  5. Step 5: Solve for x
    x = 196,416,100,376,778.81/13,275,340.20
  6. Step 6: Final answer
    x = 14,795,560.60

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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.