Home / 20,235,934.60-30,343,404.30-7,449,857.80

Finding the Fourth Proportional to 20,235,934.60, 30,343,404.30 and 7,449,857.80

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Solution

The fourth proportional to 20,235,934.60, 30,343,404.30 and 7,449,857.80 is: 11,170,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235,934.60 : 30,343,404.30 = 7,449,857.80 : x
  2. Step 2: Convert to fraction form
    20,235,934.60/30,343,404.30 = 7,449,857.80/x
  3. Step 3: Cross multiply
    20,235,934.60x = 30,343,404.30 × 7,449,857.80
  4. Step 4: Simplify right side
    20,235,934.60x = 226,054,047,202,908.53
  5. Step 5: Solve for x
    x = 226,054,047,202,908.53/20,235,934.60
  6. Step 6: Final answer
    x = 11,170,922.01

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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.