Home / 21,960,394.75-30,305,347.58-12,171,470.91

Finding the Fourth Proportional to 21,960,394.75, 30,305,347.58 and 12,171,470.91

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Solution

The fourth proportional to 21,960,394.75, 30,305,347.58 and 12,171,470.91 is: 16,796,631.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,394.75 : 30,305,347.58 = 12,171,470.91 : x
  2. Step 2: Convert to fraction form
    21,960,394.75/30,305,347.58 = 12,171,470.91/x
  3. Step 3: Cross multiply
    21,960,394.75x = 30,305,347.58 × 12,171,470.91
  4. Step 4: Simplify right side
    21,960,394.75x = 368,860,656,487,408.88
  5. Step 5: Solve for x
    x = 368,860,656,487,408.88/21,960,394.75
  6. Step 6: Final answer
    x = 16,796,631.42

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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.