Home / 19,689,520.18-27,171,542.77-10,868,976.58

Finding the Fourth Proportional to 19,689,520.18, 27,171,542.77 and 10,868,976.58

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Solution

The fourth proportional to 19,689,520.18, 27,171,542.77 and 10,868,976.58 is: 14,999,190.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689,520.18 : 27,171,542.77 = 10,868,976.58 : x
  2. Step 2: Convert to fraction form
    19,689,520.18/27,171,542.77 = 10,868,976.58/x
  3. Step 3: Cross multiply
    19,689,520.18x = 27,171,542.77 × 10,868,976.58
  4. Step 4: Simplify right side
    19,689,520.18x = 295,326,861,914,497
  5. Step 5: Solve for x
    x = 295,326,861,914,497/19,689,520.18
  6. Step 6: Final answer
    x = 14,999,190.39

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1.5x scale

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.