Home / 21,960,396.25-30,305,349.65-12,171,472.41

Finding the Fourth Proportional to 21,960,396.25, 30,305,349.65 and 12,171,472.41

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Solution

The fourth proportional to 21,960,396.25, 30,305,349.65 and 12,171,472.41 is: 16,796,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,396.25 : 30,305,349.65 = 12,171,472.41 : x
  2. Step 2: Convert to fraction form
    21,960,396.25/30,305,349.65 = 12,171,472.41/x
  3. Step 3: Cross multiply
    21,960,396.25x = 30,305,349.65 × 12,171,472.41
  4. Step 4: Simplify right side
    21,960,396.25x = 368,860,727,140,378.12
  5. Step 5: Solve for x
    x = 368,860,727,140,378.12/21,960,396.25
  6. Step 6: Final answer
    x = 16,796,633.49

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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.