Home / 12,487,255.20-18,731,401.20-3,967,351.20

Finding the Fourth Proportional to 12,487,255.20, 18,731,401.20 and 3,967,351.20

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Solution

The fourth proportional to 12,487,255.20, 18,731,401.20 and 3,967,351.20 is: 5,951,191.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487,255.20 : 18,731,401.20 = 3,967,351.20 : x
  2. Step 2: Convert to fraction form
    12,487,255.20/18,731,401.20 = 3,967,351.20/x
  3. Step 3: Cross multiply
    12,487,255.20x = 18,731,401.20 × 3,967,351.20
  4. Step 4: Simplify right side
    12,487,255.20x = 74,314,047,028,501.44
  5. Step 5: Solve for x
    x = 74,314,047,028,501.44/12,487,255.20
  6. Step 6: Final answer
    x = 5,951,191.50

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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.