Home / 22,016,857.52-30,383,670.60-12,228,208.40

Finding the Fourth Proportional to 22,016,857.52, 30,383,670.60 and 12,228,208.40

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Solution

The fourth proportional to 22,016,857.52, 30,383,670.60 and 12,228,208.40 is: 16,875,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,016,857.52 : 30,383,670.60 = 12,228,208.40 : x
  2. Step 2: Convert to fraction form
    22,016,857.52/30,383,670.60 = 12,228,208.40/x
  3. Step 3: Cross multiply
    22,016,857.52x = 30,383,670.60 × 12,228,208.40
  4. Step 4: Simplify right side
    22,016,857.52x = 371,537,856,053,753.06
  5. Step 5: Solve for x
    x = 371,537,856,053,753.06/22,016,857.52
  6. Step 6: Final answer
    x = 16,875,153.76

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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.