Home / 40,527,316.11-55,927,622.30-21,942,453.97

Finding the Fourth Proportional to 40,527,316.11, 55,927,622.30 and 21,942,453.97

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Solution

The fourth proportional to 40,527,316.11, 55,927,622.30 and 21,942,453.97 is: 30,280,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,527,316.11 : 55,927,622.30 = 21,942,453.97 : x
  2. Step 2: Convert to fraction form
    40,527,316.11/55,927,622.30 = 21,942,453.97/x
  3. Step 3: Cross multiply
    40,527,316.11x = 55,927,622.30 × 21,942,453.97
  4. Step 4: Simplify right side
    40,527,316.11x = 1,227,189,277,969,295.50
  5. Step 5: Solve for x
    x = 1,227,189,277,969,295.50/40,527,316.11
  6. Step 6: Final answer
    x = 30,280,546.45

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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.