Home / 13,668,791.10-20,506,139.10-4,085,138.40

Finding the Fourth Proportional to 13,668,791.10, 20,506,139.10 and 4,085,138.40

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Solution

The fourth proportional to 13,668,791.10, 20,506,139.10 and 4,085,138.40 is: 6,128,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668,791.10 : 20,506,139.10 = 4,085,138.40 : x
  2. Step 2: Convert to fraction form
    13,668,791.10/20,506,139.10 = 4,085,138.40/x
  3. Step 3: Cross multiply
    13,668,791.10x = 20,506,139.10 × 4,085,138.40
  4. Step 4: Simplify right side
    13,668,791.10x = 83,770,416,273,151.44
  5. Step 5: Solve for x
    x = 83,770,416,273,151.44/13,668,791.10
  6. Step 6: Final answer
    x = 6,128,589.99

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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.