Home / 30,392,279.92-41,941,356.44-16,642,115.12

Finding the Fourth Proportional to 30,392,279.92, 41,941,356.44 and 16,642,115.12

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Solution

The fourth proportional to 30,392,279.92, 41,941,356.44 and 16,642,115.12 is: 22,966,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392,279.92 : 41,941,356.44 = 16,642,115.12 : x
  2. Step 2: Convert to fraction form
    30,392,279.92/41,941,356.44 = 16,642,115.12/x
  3. Step 3: Cross multiply
    30,392,279.92x = 41,941,356.44 × 16,642,115.12
  4. Step 4: Simplify right side
    30,392,279.92x = 697,992,882,163,433.25
  5. Step 5: Solve for x
    x = 697,992,882,163,433.25/30,392,279.92
  6. Step 6: Final answer
    x = 22,966,124.42

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Double scale
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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.