Home / 12,483,331.78-18,719,680.71-4,904,981.62

Finding the Fourth Proportional to 12,483,331.78, 18,719,680.71 and 4,904,981.62

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Solution

The fourth proportional to 12,483,331.78, 18,719,680.71 and 4,904,981.62 is: 7,355,383.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,331.78 : 18,719,680.71 = 4,904,981.62 : x
  2. Step 2: Convert to fraction form
    12,483,331.78/18,719,680.71 = 4,904,981.62/x
  3. Step 3: Cross multiply
    12,483,331.78x = 18,719,680.71 × 4,904,981.62
  4. Step 4: Simplify right side
    12,483,331.78x = 91,819,689,814,818.56
  5. Step 5: Solve for x
    x = 91,819,689,814,818.56/12,483,331.78
  6. Step 6: Final answer
    x = 7,355,383.28

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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.