Home / 18,348,061.20-27,522,091.80-8,782,123.20

Finding the Fourth Proportional to 18,348,061.20, 27,522,091.80 and 8,782,123.20

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Solution

The fourth proportional to 18,348,061.20, 27,522,091.80 and 8,782,123.20 is: 13,173,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348,061.20 : 27,522,091.80 = 8,782,123.20 : x
  2. Step 2: Convert to fraction form
    18,348,061.20/27,522,091.80 = 8,782,123.20/x
  3. Step 3: Cross multiply
    18,348,061.20x = 27,522,091.80 × 8,782,123.20
  4. Step 4: Simplify right side
    18,348,061.20x = 241,702,400,909,309.75
  5. Step 5: Solve for x
    x = 241,702,400,909,309.75/18,348,061.20
  6. Step 6: Final answer
    x = 13,173,184.80

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1.5x scale

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.