Home / 40,476,739.48-55,857,881.82-22,142,020.12

Finding the Fourth Proportional to 40,476,739.48, 55,857,881.82 and 22,142,020.12

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Solution

The fourth proportional to 40,476,739.48, 55,857,881.82 and 22,142,020.12 is: 30,555,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,476,739.48 : 55,857,881.82 = 22,142,020.12 : x
  2. Step 2: Convert to fraction form
    40,476,739.48/55,857,881.82 = 22,142,020.12/x
  3. Step 3: Cross multiply
    40,476,739.48x = 55,857,881.82 × 22,142,020.12
  4. Step 4: Simplify right side
    40,476,739.48x = 1,236,806,343,119,022.25
  5. Step 5: Solve for x
    x = 1,236,806,343,119,022.25/40,476,739.48
  6. Step 6: Final answer
    x = 30,555,977.56

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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.