Home / 30,469,630.20-42,046,682.70-16,718,252.28

Finding the Fourth Proportional to 30,469,630.20, 42,046,682.70 and 16,718,252.28

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Solution

The fourth proportional to 30,469,630.20, 42,046,682.70 and 16,718,252.28 is: 23,070,416.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,469,630.20 : 42,046,682.70 = 16,718,252.28 : x
  2. Step 2: Convert to fraction form
    30,469,630.20/42,046,682.70 = 16,718,252.28/x
  3. Step 3: Cross multiply
    30,469,630.20x = 42,046,682.70 × 16,718,252.28
  4. Step 4: Simplify right side
    30,469,630.20x = 702,947,048,915,711.62
  5. Step 5: Solve for x
    x = 702,947,048,915,711.62/30,469,630.20
  6. Step 6: Final answer
    x = 23,070,416.16

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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.