Home / 21,502,420.80-32,266,072.80-8,040,609.60

Finding the Fourth Proportional to 21,502,420.80, 32,266,072.80 and 8,040,609.60

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Solution

The fourth proportional to 21,502,420.80, 32,266,072.80 and 8,040,609.60 is: 12,065,566.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502,420.80 : 32,266,072.80 = 8,040,609.60 : x
  2. Step 2: Convert to fraction form
    21,502,420.80/32,266,072.80 = 8,040,609.60/x
  3. Step 3: Cross multiply
    21,502,420.80x = 32,266,072.80 × 8,040,609.60
  4. Step 4: Simplify right side
    21,502,420.80x = 259,438,894,709,978.88
  5. Step 5: Solve for x
    x = 259,438,894,709,978.88/21,502,420.80
  6. Step 6: Final answer
    x = 12,065,566.81

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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.