Home / 20,446,744.70-28,214,547.21-11,278,796.96

Finding the Fourth Proportional to 20,446,744.70, 28,214,547.21 and 11,278,796.96

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Solution

The fourth proportional to 20,446,744.70, 28,214,547.21 and 11,278,796.96 is: 15,563,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446,744.70 : 28,214,547.21 = 11,278,796.96 : x
  2. Step 2: Convert to fraction form
    20,446,744.70/28,214,547.21 = 11,278,796.96/x
  3. Step 3: Cross multiply
    20,446,744.70x = 28,214,547.21 × 11,278,796.96
  4. Step 4: Simplify right side
    20,446,744.70x = 318,226,149,158,851.75
  5. Step 5: Solve for x
    x = 318,226,149,158,851.75/20,446,744.70
  6. Step 6: Final answer
    x = 15,563,658.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.