Home / 18,158,679.20-25,059,147.60-10,010,208.80

Finding the Fourth Proportional to 18,158,679.20, 25,059,147.60 and 10,010,208.80

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Solution

The fourth proportional to 18,158,679.20, 25,059,147.60 and 10,010,208.80 is: 13,814,182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158,679.20 : 25,059,147.60 = 10,010,208.80 : x
  2. Step 2: Convert to fraction form
    18,158,679.20/25,059,147.60 = 10,010,208.80/x
  3. Step 3: Cross multiply
    18,158,679.20x = 25,059,147.60 × 10,010,208.80
  4. Step 4: Simplify right side
    18,158,679.20x = 250,847,299,826,018.91
  5. Step 5: Solve for x
    x = 250,847,299,826,018.91/18,158,679.20
  6. Step 6: Final answer
    x = 13,814,182.03

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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.