Home / 40,099,712.76-55,336,121.10-21,764,607.48

Finding the Fourth Proportional to 40,099,712.76, 55,336,121.10 and 21,764,607.48

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Solution

The fourth proportional to 40,099,712.76, 55,336,121.10 and 21,764,607.48 is: 30,034,353.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099,712.76 : 55,336,121.10 = 21,764,607.48 : x
  2. Step 2: Convert to fraction form
    40,099,712.76/55,336,121.10 = 21,764,607.48/x
  3. Step 3: Cross multiply
    40,099,712.76x = 55,336,121.10 × 21,764,607.48
  4. Step 4: Simplify right side
    40,099,712.76x = 1,204,368,955,207,246
  5. Step 5: Solve for x
    x = 1,204,368,955,207,246/40,099,712.76
  6. Step 6: Final answer
    x = 30,034,353.67

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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.