Home / 30,378,031.34-41,923,576.48-17,149,447.62

Finding the Fourth Proportional to 30,378,031.34, 41,923,576.48 and 17,149,447.62

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Solution

The fourth proportional to 30,378,031.34, 41,923,576.48 and 17,149,447.62 is: 23,667,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378,031.34 : 41,923,576.48 = 17,149,447.62 : x
  2. Step 2: Convert to fraction form
    30,378,031.34/41,923,576.48 = 17,149,447.62/x
  3. Step 3: Cross multiply
    30,378,031.34x = 41,923,576.48 × 17,149,447.62
  4. Step 4: Simplify right side
    30,378,031.34x = 718,966,178,886,824
  5. Step 5: Solve for x
    x = 718,966,178,886,824/30,378,031.34
  6. Step 6: Final answer
    x = 23,667,306.51

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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.