Home / 43,138,040.06-64,708,388.70-18,864,472.39

Finding the Fourth Proportional to 43,138,040.06, 64,708,388.70 and 18,864,472.39

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Solution

The fourth proportional to 43,138,040.06, 64,708,388.70 and 18,864,472.39 is: 28,297,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,138,040.06 : 64,708,388.70 = 18,864,472.39 : x
  2. Step 2: Convert to fraction form
    43,138,040.06/64,708,388.70 = 18,864,472.39/x
  3. Step 3: Cross multiply
    43,138,040.06x = 64,708,388.70 × 18,864,472.39
  4. Step 4: Simplify right side
    43,138,040.06x = 1,220,689,611,800,025.25
  5. Step 5: Solve for x
    x = 1,220,689,611,800,025.25/43,138,040.06
  6. Step 6: Final answer
    x = 28,297,289.59

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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.