Home / 30,420,273-41,979,976.74-17,543,217

Finding the Fourth Proportional to 30,420,273, 41,979,976.74 and 17,543,217

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Solution

The fourth proportional to 30,420,273, 41,979,976.74 and 17,543,217 is: 24,209,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,420,273 : 41,979,976.74 = 17,543,217 : x
  2. Step 2: Convert to fraction form
    30,420,273/41,979,976.74 = 17,543,217/x
  3. Step 3: Cross multiply
    30,420,273x = 41,979,976.74 × 17,543,217
  4. Step 4: Simplify right side
    30,420,273x = 736,463,841,604,772.62
  5. Step 5: Solve for x
    x = 736,463,841,604,772.62/30,420,273
  6. Step 6: Final answer
    x = 24,209,639.46

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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.