Home / 13,481,445.10-20,222,167.65-5,395,668.70

Finding the Fourth Proportional to 13,481,445.10, 20,222,167.65 and 5,395,668.70

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Solution

The fourth proportional to 13,481,445.10, 20,222,167.65 and 5,395,668.70 is: 8,093,503.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481,445.10 : 20,222,167.65 = 5,395,668.70 : x
  2. Step 2: Convert to fraction form
    13,481,445.10/20,222,167.65 = 5,395,668.70/x
  3. Step 3: Cross multiply
    13,481,445.10x = 20,222,167.65 × 5,395,668.70
  4. Step 4: Simplify right side
    13,481,445.10x = 109,112,117,035,257.55
  5. Step 5: Solve for x
    x = 109,112,117,035,257.55/13,481,445.10
  6. Step 6: Final answer
    x = 8,093,503.05

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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.