Home / 11,220,954.18-15,477,736.41-7,781,940.42

Finding the Fourth Proportional to 11,220,954.18, 15,477,736.41 and 7,781,940.42

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Solution

The fourth proportional to 11,220,954.18, 15,477,736.41 and 7,781,940.42 is: 10,734,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220,954.18 : 15,477,736.41 = 7,781,940.42 : x
  2. Step 2: Convert to fraction form
    11,220,954.18/15,477,736.41 = 7,781,940.42/x
  3. Step 3: Cross multiply
    11,220,954.18x = 15,477,736.41 × 7,781,940.42
  4. Step 4: Simplify right side
    11,220,954.18x = 120,446,822,579,084.69
  5. Step 5: Solve for x
    x = 120,446,822,579,084.69/11,220,954.18
  6. Step 6: Final answer
    x = 10,734,098.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.