Home / 18,154,415.20-27,203,629.20-15,746,965.60

Finding the Fourth Proportional to 18,154,415.20, 27,203,629.20 and 15,746,965.60

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Solution

The fourth proportional to 18,154,415.20, 27,203,629.20 and 15,746,965.60 is: 23,596,167.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154,415.20 : 27,203,629.20 = 15,746,965.60 : x
  2. Step 2: Convert to fraction form
    18,154,415.20/27,203,629.20 = 15,746,965.60/x
  3. Step 3: Cross multiply
    18,154,415.20x = 27,203,629.20 × 15,746,965.60
  4. Step 4: Simplify right side
    18,154,415.20x = 428,374,613,207,555.50
  5. Step 5: Solve for x
    x = 428,374,613,207,555.50/18,154,415.20
  6. Step 6: Final answer
    x = 23,596,167.02

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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.