Home / 40,377,683.12-55,720,919.24-22,042,968.64

Finding the Fourth Proportional to 40,377,683.12, 55,720,919.24 and 22,042,968.64

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Solution

The fourth proportional to 40,377,683.12, 55,720,919.24 and 22,042,968.64 is: 30,419,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,377,683.12 : 55,720,919.24 = 22,042,968.64 : x
  2. Step 2: Convert to fraction form
    40,377,683.12/55,720,919.24 = 22,042,968.64/x
  3. Step 3: Cross multiply
    40,377,683.12x = 55,720,919.24 × 22,042,968.64
  4. Step 4: Simplify right side
    40,377,683.12x = 1,228,254,475,399,292.75
  5. Step 5: Solve for x
    x = 1,228,254,475,399,292.75/40,377,683.12
  6. Step 6: Final answer
    x = 30,419,141.97

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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.