Home / 30,420,277-41,979,982.28-17,543,221

Finding the Fourth Proportional to 30,420,277, 41,979,982.28 and 17,543,221

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Solution

The fourth proportional to 30,420,277, 41,979,982.28 and 17,543,221 is: 24,209,644.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,420,277 : 41,979,982.28 = 17,543,221 : x
  2. Step 2: Convert to fraction form
    30,420,277/41,979,982.28 = 17,543,221/x
  3. Step 3: Cross multiply
    30,420,277x = 41,979,982.28 × 17,543,221
  4. Step 4: Simplify right side
    30,420,277x = 736,464,106,714,123.88
  5. Step 5: Solve for x
    x = 736,464,106,714,123.88/30,420,277
  6. Step 6: Final answer
    x = 24,209,644.99

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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.