Home / 12,196,287.36-18,290,685.60-8,433,947.52

Finding the Fourth Proportional to 12,196,287.36, 18,290,685.60 and 8,433,947.52

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Solution

The fourth proportional to 12,196,287.36, 18,290,685.60 and 8,433,947.52 is: 12,648,331.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,196,287.36 : 18,290,685.60 = 8,433,947.52 : x
  2. Step 2: Convert to fraction form
    12,196,287.36/18,290,685.60 = 8,433,947.52/x
  3. Step 3: Cross multiply
    12,196,287.36x = 18,290,685.60 × 8,433,947.52
  4. Step 4: Simplify right side
    12,196,287.36x = 154,262,682,455,219.72
  5. Step 5: Solve for x
    x = 154,262,682,455,219.72/12,196,287.36
  6. Step 6: Final answer
    x = 12,648,331.24

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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.