Home / 40,077,211.38-55,306,658.62-21,742,496.88

Finding the Fourth Proportional to 40,077,211.38, 55,306,658.62 and 21,742,496.88

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Solution

The fourth proportional to 40,077,211.38, 55,306,658.62 and 21,742,496.88 is: 30,004,703.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,077,211.38 : 55,306,658.62 = 21,742,496.88 : x
  2. Step 2: Convert to fraction form
    40,077,211.38/55,306,658.62 = 21,742,496.88/x
  3. Step 3: Cross multiply
    40,077,211.38x = 55,306,658.62 × 21,742,496.88
  4. Step 4: Simplify right side
    40,077,211.38x = 1,202,504,852,488,575
  5. Step 5: Solve for x
    x = 1,202,504,852,488,575/40,077,211.38
  6. Step 6: Final answer
    x = 30,004,703.70

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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.