Home / 12,290,238.78-18,436,243.92-4,717,204.52

Finding the Fourth Proportional to 12,290,238.78, 18,436,243.92 and 4,717,204.52

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Solution

The fourth proportional to 12,290,238.78, 18,436,243.92 and 4,717,204.52 is: 7,076,146.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,238.78 : 18,436,243.92 = 4,717,204.52 : x
  2. Step 2: Convert to fraction form
    12,290,238.78/18,436,243.92 = 4,717,204.52/x
  3. Step 3: Cross multiply
    12,290,238.78x = 18,436,243.92 × 4,717,204.52
  4. Step 4: Simplify right side
    12,290,238.78x = 86,967,533,151,246.52
  5. Step 5: Solve for x
    x = 86,967,533,151,246.52/12,290,238.78
  6. Step 6: Final answer
    x = 7,076,146.75

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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.