Home / 21,059,781.48-31,589,672.82-5,707,070.53

Finding the Fourth Proportional to 21,059,781.48, 31,589,672.82 and 5,707,070.53

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Solution

The fourth proportional to 21,059,781.48, 31,589,672.82 and 5,707,070.53 is: 8,560,605.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,059,781.48 : 31,589,672.82 = 5,707,070.53 : x
  2. Step 2: Convert to fraction form
    21,059,781.48/31,589,672.82 = 5,707,070.53/x
  3. Step 3: Cross multiply
    21,059,781.48x = 31,589,672.82 × 5,707,070.53
  4. Step 4: Simplify right side
    21,059,781.48x = 180,284,490,809,762
  5. Step 5: Solve for x
    x = 180,284,490,809,762/21,059,781.48
  6. Step 6: Final answer
    x = 8,560,605.96

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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.