Home / 12,501,010.20-18,751,515.30-3,982,207.80

Finding the Fourth Proportional to 12,501,010.20, 18,751,515.30 and 3,982,207.80

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Solution

The fourth proportional to 12,501,010.20, 18,751,515.30 and 3,982,207.80 is: 5,973,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501,010.20 : 18,751,515.30 = 3,982,207.80 : x
  2. Step 2: Convert to fraction form
    12,501,010.20/18,751,515.30 = 3,982,207.80/x
  3. Step 3: Cross multiply
    12,501,010.20x = 18,751,515.30 × 3,982,207.80
  4. Step 4: Simplify right side
    12,501,010.20x = 74,672,430,489,479.34
  5. Step 5: Solve for x
    x = 74,672,430,489,479.34/12,501,010.20
  6. Step 6: Final answer
    x = 5,973,311.70

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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.