Home / 40,099,711.76-55,336,119.72-21,764,606.48

Finding the Fourth Proportional to 40,099,711.76, 55,336,119.72 and 21,764,606.48

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Solution

The fourth proportional to 40,099,711.76, 55,336,119.72 and 21,764,606.48 is: 30,034,352.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099,711.76 : 55,336,119.72 = 21,764,606.48 : x
  2. Step 2: Convert to fraction form
    40,099,711.76/55,336,119.72 = 21,764,606.48/x
  3. Step 3: Cross multiply
    40,099,711.76x = 55,336,119.72 × 21,764,606.48
  4. Step 4: Simplify right side
    40,099,711.76x = 1,204,368,869,835,967.75
  5. Step 5: Solve for x
    x = 1,204,368,869,835,967.75/40,099,711.76
  6. Step 6: Final answer
    x = 30,034,352.29

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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.