Home / 21,960,392.24-30,305,344.12-12,171,468.40

Finding the Fourth Proportional to 21,960,392.24, 30,305,344.12 and 12,171,468.40

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Solution

The fourth proportional to 21,960,392.24, 30,305,344.12 and 12,171,468.40 is: 16,796,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,392.24 : 30,305,344.12 = 12,171,468.40 : x
  2. Step 2: Convert to fraction form
    21,960,392.24/30,305,344.12 = 12,171,468.40/x
  3. Step 3: Cross multiply
    21,960,392.24x = 30,305,344.12 × 12,171,468.40
  4. Step 4: Simplify right side
    21,960,392.24x = 368,860,538,201,513.81
  5. Step 5: Solve for x
    x = 368,860,538,201,513.81/21,960,392.24
  6. Step 6: Final answer
    x = 16,796,627.95

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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.