Home / 20,675,899.72-31,013,842.29-5,529,437.56

Finding the Fourth Proportional to 20,675,899.72, 31,013,842.29 and 5,529,437.56

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Solution

The fourth proportional to 20,675,899.72, 31,013,842.29 and 5,529,437.56 is: 8,294,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,675,899.72 : 31,013,842.29 = 5,529,437.56 : x
  2. Step 2: Convert to fraction form
    20,675,899.72/31,013,842.29 = 5,529,437.56/x
  3. Step 3: Cross multiply
    20,675,899.72x = 31,013,842.29 × 5,529,437.56
  4. Step 4: Simplify right side
    20,675,899.72x = 171,489,104,487,377.44
  5. Step 5: Solve for x
    x = 171,489,104,487,377.44/20,675,899.72
  6. Step 6: Final answer
    x = 8,294,154.39

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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.