Home / 13,512,363.60-20,272,001.40-9,531,051.60

Finding the Fourth Proportional to 13,512,363.60, 20,272,001.40 and 9,531,051.60

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Solution

The fourth proportional to 13,512,363.60, 20,272,001.40 and 9,531,051.60 is: 14,299,015.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512,363.60 : 20,272,001.40 = 9,531,051.60 : x
  2. Step 2: Convert to fraction form
    13,512,363.60/20,272,001.40 = 9,531,051.60/x
  3. Step 3: Cross multiply
    13,512,363.60x = 20,272,001.40 × 9,531,051.60
  4. Step 4: Simplify right side
    13,512,363.60x = 193,213,491,378,672.22
  5. Step 5: Solve for x
    x = 193,213,491,378,672.22/13,512,363.60
  6. Step 6: Final answer
    x = 14,299,015.12

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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.