Home / 13,315,999.20-19,940,206.80-7,325,599.20

Finding the Fourth Proportional to 13,315,999.20, 19,940,206.80 and 7,325,599.20

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Solution

The fourth proportional to 13,315,999.20, 19,940,206.80 and 7,325,599.20 is: 10,969,808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315,999.20 : 19,940,206.80 = 7,325,599.20 : x
  2. Step 2: Convert to fraction form
    13,315,999.20/19,940,206.80 = 7,325,599.20/x
  3. Step 3: Cross multiply
    13,315,999.20x = 19,940,206.80 × 7,325,599.20
  4. Step 4: Simplify right side
    13,315,999.20x = 146,073,962,981,914.56
  5. Step 5: Solve for x
    x = 146,073,962,981,914.56/13,315,999.20
  6. Step 6: Final answer
    x = 10,969,808.63

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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.