Home / 12,291,112.80-18,434,919.60-4,204,461.60

Finding the Fourth Proportional to 12,291,112.80, 18,434,919.60 and 4,204,461.60

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Solution

The fourth proportional to 12,291,112.80, 18,434,919.60 and 4,204,461.60 is: 6,306,093.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,112.80 : 18,434,919.60 = 4,204,461.60 : x
  2. Step 2: Convert to fraction form
    12,291,112.80/18,434,919.60 = 4,204,461.60/x
  3. Step 3: Cross multiply
    12,291,112.80x = 18,434,919.60 × 4,204,461.60
  4. Step 4: Simplify right side
    12,291,112.80x = 77,508,911,557,287.36
  5. Step 5: Solve for x
    x = 77,508,911,557,287.36/12,291,112.80
  6. Step 6: Final answer
    x = 6,306,093.91

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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.