Home / 40,377,678.87-55,720,913.39-22,042,964.37

Finding the Fourth Proportional to 40,377,678.87, 55,720,913.39 and 22,042,964.37

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Solution

The fourth proportional to 40,377,678.87, 55,720,913.39 and 22,042,964.37 is: 30,419,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,377,678.87 : 55,720,913.39 = 22,042,964.37 : x
  2. Step 2: Convert to fraction form
    40,377,678.87/55,720,913.39 = 22,042,964.37/x
  3. Step 3: Cross multiply
    40,377,678.87x = 55,720,913.39 × 22,042,964.37
  4. Step 4: Simplify right side
    40,377,678.87x = 1,228,254,108,409,411
  5. Step 5: Solve for x
    x = 1,228,254,108,409,411/40,377,678.87
  6. Step 6: Final answer
    x = 30,419,136.09

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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.