Home / 40,356,005.75-55,690,765.39-22,020,975.35

Finding the Fourth Proportional to 40,356,005.75, 55,690,765.39 and 22,020,975.35

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Solution

The fourth proportional to 40,356,005.75, 55,690,765.39 and 22,020,975.35 is: 30,388,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,356,005.75 : 55,690,765.39 = 22,020,975.35 : x
  2. Step 2: Convert to fraction form
    40,356,005.75/55,690,765.39 = 22,020,975.35/x
  3. Step 3: Cross multiply
    40,356,005.75x = 55,690,765.39 × 22,020,975.35
  4. Step 4: Simplify right side
    40,356,005.75x = 1,226,364,971,959,997.75
  5. Step 5: Solve for x
    x = 1,226,364,971,959,997.75/40,356,005.75
  6. Step 6: Final answer
    x = 30,388,660.85

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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.