Home / 18,738,002.10-28,107,003.15-15,549,356.10

Finding the Fourth Proportional to 18,738,002.10, 28,107,003.15 and 15,549,356.10

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Solution

The fourth proportional to 18,738,002.10, 28,107,003.15 and 15,549,356.10 is: 23,324,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738,002.10 : 28,107,003.15 = 15,549,356.10 : x
  2. Step 2: Convert to fraction form
    18,738,002.10/28,107,003.15 = 15,549,356.10/x
  3. Step 3: Cross multiply
    18,738,002.10x = 28,107,003.15 × 15,549,356.10
  4. Step 4: Simplify right side
    18,738,002.10x = 437,045,800,883,171.69
  5. Step 5: Solve for x
    x = 437,045,800,883,171.69/18,738,002.10
  6. Step 6: Final answer
    x = 23,324,034.15

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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.