Home / 13,897,195.80-20,845,793.70-10,309,969.05

Finding the Fourth Proportional to 13,897,195.80, 20,845,793.70 and 10,309,969.05

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Solution

The fourth proportional to 13,897,195.80, 20,845,793.70 and 10,309,969.05 is: 15,464,953.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897,195.80 : 20,845,793.70 = 10,309,969.05 : x
  2. Step 2: Convert to fraction form
    13,897,195.80/20,845,793.70 = 10,309,969.05/x
  3. Step 3: Cross multiply
    13,897,195.80x = 20,845,793.70 × 10,309,969.05
  4. Step 4: Simplify right side
    13,897,195.80x = 214,919,487,869,685
  5. Step 5: Solve for x
    x = 214,919,487,869,685/13,897,195.80
  6. Step 6: Final answer
    x = 15,464,953.58

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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.