Home / 16,856,288-23,261,739.12-9,121,330.40

Finding the Fourth Proportional to 16,856,288, 23,261,739.12 and 9,121,330.40

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Solution

The fourth proportional to 16,856,288, 23,261,739.12 and 9,121,330.40 is: 12,587,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856,288 : 23,261,739.12 = 9,121,330.40 : x
  2. Step 2: Convert to fraction form
    16,856,288/23,261,739.12 = 9,121,330.40/x
  3. Step 3: Cross multiply
    16,856,288x = 23,261,739.12 × 9,121,330.40
  4. Step 4: Simplify right side
    16,856,288x = 212,178,008,192,125.28
  5. Step 5: Solve for x
    x = 212,178,008,192,125.28/16,856,288
  6. Step 6: Final answer
    x = 12,587,469.33

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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.