Home / 21,502,580.80-32,266,312.80-8,040,769.60

Finding the Fourth Proportional to 21,502,580.80, 32,266,312.80 and 8,040,769.60

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Solution

The fourth proportional to 21,502,580.80, 32,266,312.80 and 8,040,769.60 is: 12,065,806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502,580.80 : 32,266,312.80 = 8,040,769.60 : x
  2. Step 2: Convert to fraction form
    21,502,580.80/32,266,312.80 = 8,040,769.60/x
  3. Step 3: Cross multiply
    21,502,580.80x = 32,266,312.80 × 8,040,769.60
  4. Step 4: Simplify right side
    21,502,580.80x = 259,445,987,066,330.88
  5. Step 5: Solve for x
    x = 259,445,987,066,330.88/21,502,580.80
  6. Step 6: Final answer
    x = 12,065,806.87

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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.