Home / 13,610,213.20-18,782,085.66-7,498,641.64

Finding the Fourth Proportional to 13,610,213.20, 18,782,085.66 and 7,498,641.64

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Solution

The fourth proportional to 13,610,213.20, 18,782,085.66 and 7,498,641.64 is: 10,348,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610,213.20 : 18,782,085.66 = 7,498,641.64 : x
  2. Step 2: Convert to fraction form
    13,610,213.20/18,782,085.66 = 7,498,641.64/x
  3. Step 3: Cross multiply
    13,610,213.20x = 18,782,085.66 × 7,498,641.64
  4. Step 4: Simplify right side
    13,610,213.20x = 140,840,129,616,122.88
  5. Step 5: Solve for x
    x = 140,840,129,616,122.88/13,610,213.20
  6. Step 6: Final answer
    x = 10,348,120.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.