Home / 40,476,930.45-55,858,237.46-22,142,215.95

Finding the Fourth Proportional to 40,476,930.45, 55,858,237.46 and 22,142,215.95

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Solution

The fourth proportional to 40,476,930.45, 55,858,237.46 and 22,142,215.95 is: 30,556,298.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,476,930.45 : 55,858,237.46 = 22,142,215.95 : x
  2. Step 2: Convert to fraction form
    40,476,930.45/55,858,237.46 = 22,142,215.95/x
  3. Step 3: Cross multiply
    40,476,930.45x = 55,858,237.46 × 22,142,215.95
  4. Step 4: Simplify right side
    40,476,930.45x = 1,236,825,156,425,699.50
  5. Step 5: Solve for x
    x = 1,236,825,156,425,699.50/40,476,930.45
  6. Step 6: Final answer
    x = 30,556,298.18

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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.