Home / 40,377,673.34-55,720,905.78-22,042,958.84

Finding the Fourth Proportional to 40,377,673.34, 55,720,905.78 and 22,042,958.84

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Solution

The fourth proportional to 40,377,673.34, 55,720,905.78 and 22,042,958.84 is: 30,419,128.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,377,673.34 : 55,720,905.78 = 22,042,958.84 : x
  2. Step 2: Convert to fraction form
    40,377,673.34/55,720,905.78 = 22,042,958.84/x
  3. Step 3: Cross multiply
    40,377,673.34x = 55,720,905.78 × 22,042,958.84
  4. Step 4: Simplify right side
    40,377,673.34x = 1,228,253,632,636,058
  5. Step 5: Solve for x
    x = 1,228,253,632,636,058/40,377,673.34
  6. Step 6: Final answer
    x = 30,419,128.47

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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.