Home / 40,377,682.12-55,720,917.88-22,042,967.64

Finding the Fourth Proportional to 40,377,682.12, 55,720,917.88 and 22,042,967.64

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Solution

The fourth proportional to 40,377,682.12, 55,720,917.88 and 22,042,967.64 is: 30,419,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,377,682.12 : 55,720,917.88 = 22,042,967.64 : x
  2. Step 2: Convert to fraction form
    40,377,682.12/55,720,917.88 = 22,042,967.64/x
  3. Step 3: Cross multiply
    40,377,682.12x = 55,720,917.88 × 22,042,967.64
  4. Step 4: Simplify right side
    40,377,682.12x = 1,228,254,389,699,937.50
  5. Step 5: Solve for x
    x = 1,228,254,389,699,937.50/40,377,682.12
  6. Step 6: Final answer
    x = 30,419,140.60

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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.