Home / 21,224,620.20-31,843,660.14-7,577,473.80

Finding the Fourth Proportional to 21,224,620.20, 31,843,660.14 and 7,577,473.80

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Solution

The fourth proportional to 21,224,620.20, 31,843,660.14 and 7,577,473.80 is: 11,368,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,224,620.20 : 31,843,660.14 = 7,577,473.80 : x
  2. Step 2: Convert to fraction form
    21,224,620.20/31,843,660.14 = 7,577,473.80/x
  3. Step 3: Cross multiply
    21,224,620.20x = 31,843,660.14 × 7,577,473.80
  4. Step 4: Simplify right side
    21,224,620.20x = 241,294,500,406,954.34
  5. Step 5: Solve for x
    x = 241,294,500,406,954.34/21,224,620.20
  6. Step 6: Final answer
    x = 11,368,613.34

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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.