Home / 40,380,633.41-55,724,989.84-22,045,918.91

Finding the Fourth Proportional to 40,380,633.41, 55,724,989.84 and 22,045,918.91

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Solution

The fourth proportional to 40,380,633.41, 55,724,989.84 and 22,045,918.91 is: 30,423,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380,633.41 : 55,724,989.84 = 22,045,918.91 : x
  2. Step 2: Convert to fraction form
    40,380,633.41/55,724,989.84 = 22,045,918.91/x
  3. Step 3: Cross multiply
    40,380,633.41x = 55,724,989.84 × 22,045,918.91
  4. Step 4: Simplify right side
    40,380,633.41x = 1,228,508,607,273,214
  5. Step 5: Solve for x
    x = 1,228,508,607,273,214/40,380,633.41
  6. Step 6: Final answer
    x = 30,423,212.90

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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.