Home / 7,221,575.20-10,816,389.60-2,948,786.32

Finding the Fourth Proportional to 7,221,575.20, 10,816,389.60 and 2,948,786.32

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Solution

The fourth proportional to 7,221,575.20, 10,816,389.60 and 2,948,786.32 is: 4,416,657.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221,575.20 : 10,816,389.60 = 2,948,786.32 : x
  2. Step 2: Convert to fraction form
    7,221,575.20/10,816,389.60 = 2,948,786.32/x
  3. Step 3: Cross multiply
    7,221,575.20x = 10,816,389.60 × 2,948,786.32
  4. Step 4: Simplify right side
    7,221,575.20x = 31,895,221,684,270.27
  5. Step 5: Solve for x
    x = 31,895,221,684,270.27/7,221,575.20
  6. Step 6: Final answer
    x = 4,416,657.14

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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.