Home / 17,383,979.70-26,065,601.55-10,657,221.30

Finding the Fourth Proportional to 17,383,979.70, 26,065,601.55 and 10,657,221.30

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Solution

The fourth proportional to 17,383,979.70, 26,065,601.55 and 10,657,221.30 is: 15,979,475.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,383,979.70 : 26,065,601.55 = 10,657,221.30 : x
  2. Step 2: Convert to fraction form
    17,383,979.70/26,065,601.55 = 10,657,221.30/x
  3. Step 3: Cross multiply
    17,383,979.70x = 26,065,601.55 × 10,657,221.30
  4. Step 4: Simplify right side
    17,383,979.70x = 277,786,884,035,973.03
  5. Step 5: Solve for x
    x = 277,786,884,035,973.03/17,383,979.70
  6. Step 6: Final answer
    x = 15,979,475.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.