Home / 21,960,163.33-30,305,024.79-12,172,078.07

Finding the Fourth Proportional to 21,960,163.33, 30,305,024.79 and 12,172,078.07

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Solution

The fourth proportional to 21,960,163.33, 30,305,024.79 and 12,172,078.07 is: 16,797,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,163.33 : 30,305,024.79 = 12,172,078.07 : x
  2. Step 2: Convert to fraction form
    21,960,163.33/30,305,024.79 = 12,172,078.07/x
  3. Step 3: Cross multiply
    21,960,163.33x = 30,305,024.79 × 12,172,078.07
  4. Step 4: Simplify right side
    21,960,163.33x = 368,875,127,657,165.38
  5. Step 5: Solve for x
    x = 368,875,127,657,165.38/21,960,163.33
  6. Step 6: Final answer
    x = 16,797,467.40

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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.