Home / 12,202,631.36-18,309,917.81-4,915,788.20

Finding the Fourth Proportional to 12,202,631.36, 18,309,917.81 and 4,915,788.20

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Solution

The fourth proportional to 12,202,631.36, 18,309,917.81 and 4,915,788.20 is: 7,376,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202,631.36 : 18,309,917.81 = 4,915,788.20 : x
  2. Step 2: Convert to fraction form
    12,202,631.36/18,309,917.81 = 4,915,788.20/x
  3. Step 3: Cross multiply
    12,202,631.36x = 18,309,917.81 × 4,915,788.20
  4. Step 4: Simplify right side
    12,202,631.36x = 90,007,677,913,367.84
  5. Step 5: Solve for x
    x = 90,007,677,913,367.84/12,202,631.36
  6. Step 6: Final answer
    x = 7,376,087.60

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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.