Home / 12,291,841.60-18,448,916.10-6,230,789.80

Finding the Fourth Proportional to 12,291,841.60, 18,448,916.10 and 6,230,789.80

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Solution

The fourth proportional to 12,291,841.60, 18,448,916.10 and 6,230,789.80 is: 9,351,838.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,841.60 : 18,448,916.10 = 6,230,789.80 : x
  2. Step 2: Convert to fraction form
    12,291,841.60/18,448,916.10 = 6,230,789.80/x
  3. Step 3: Cross multiply
    12,291,841.60x = 18,448,916.10 × 6,230,789.80
  4. Step 4: Simplify right side
    12,291,841.60x = 114,951,318,256,935.78
  5. Step 5: Solve for x
    x = 114,951,318,256,935.78/12,291,841.60
  6. Step 6: Final answer
    x = 9,351,838.56

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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.