Home / 21,526,986.42-32,305,613.76-19,468,815.07

Finding the Fourth Proportional to 21,526,986.42, 32,305,613.76 and 19,468,815.07

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Solution

The fourth proportional to 21,526,986.42, 32,305,613.76 and 19,468,815.07 is: 29,216,909.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526,986.42 : 32,305,613.76 = 19,468,815.07 : x
  2. Step 2: Convert to fraction form
    21,526,986.42/32,305,613.76 = 19,468,815.07/x
  3. Step 3: Cross multiply
    21,526,986.42x = 32,305,613.76 × 19,468,815.07
  4. Step 4: Simplify right side
    21,526,986.42x = 628,952,020,016,287.38
  5. Step 5: Solve for x
    x = 628,952,020,016,287.38/21,526,986.42
  6. Step 6: Final answer
    x = 29,216,909.78

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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.