Home / 13,291,213.60-19,936,820.40-7,551,650.80

Finding the Fourth Proportional to 13,291,213.60, 19,936,820.40 and 7,551,650.80

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Solution

The fourth proportional to 13,291,213.60, 19,936,820.40 and 7,551,650.80 is: 11,327,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,213.60 : 19,936,820.40 = 7,551,650.80 : x
  2. Step 2: Convert to fraction form
    13,291,213.60/19,936,820.40 = 7,551,650.80/x
  3. Step 3: Cross multiply
    13,291,213.60x = 19,936,820.40 × 7,551,650.80
  4. Step 4: Simplify right side
    13,291,213.60x = 150,555,905,723,116.31
  5. Step 5: Solve for x
    x = 150,555,905,723,116.31/13,291,213.60
  6. Step 6: Final answer
    x = 11,327,476.20

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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.