Home / 10,286,470.68-15,426,556.20-7,111,996.44

Finding the Fourth Proportional to 10,286,470.68, 15,426,556.20 and 7,111,996.44

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Solution

The fourth proportional to 10,286,470.68, 15,426,556.20 and 7,111,996.44 is: 10,665,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286,470.68 : 15,426,556.20 = 7,111,996.44 : x
  2. Step 2: Convert to fraction form
    10,286,470.68/15,426,556.20 = 7,111,996.44/x
  3. Step 3: Cross multiply
    10,286,470.68x = 15,426,556.20 × 7,111,996.44
  4. Step 4: Simplify right side
    10,286,470.68x = 109,713,612,775,859.92
  5. Step 5: Solve for x
    x = 109,713,612,775,859.92/10,286,470.68
  6. Step 6: Final answer
    x = 10,665,816.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.