Home / 18,738,016.35-28,107,024.53-15,549,370.35

Finding the Fourth Proportional to 18,738,016.35, 28,107,024.53 and 15,549,370.35

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Solution

The fourth proportional to 18,738,016.35, 28,107,024.53 and 15,549,370.35 is: 23,324,055.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738,016.35 : 28,107,024.53 = 15,549,370.35 : x
  2. Step 2: Convert to fraction form
    18,738,016.35/28,107,024.53 = 15,549,370.35/x
  3. Step 3: Cross multiply
    18,738,016.35x = 28,107,024.53 × 15,549,370.35
  4. Step 4: Simplify right side
    18,738,016.35x = 437,046,533,775,757.81
  5. Step 5: Solve for x
    x = 437,046,533,775,757.81/18,738,016.35
  6. Step 6: Final answer
    x = 23,324,055.53

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Similar ratio
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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.