Home / 12,258,767.82-16,902,109.70-7,667,117.58

Finding the Fourth Proportional to 12,258,767.82, 16,902,109.70 and 7,667,117.58

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Solution

The fourth proportional to 12,258,767.82, 16,902,109.70 and 7,667,117.58 is: 10,571,246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,767.82 : 16,902,109.70 = 7,667,117.58 : x
  2. Step 2: Convert to fraction form
    12,258,767.82/16,902,109.70 = 7,667,117.58/x
  3. Step 3: Cross multiply
    12,258,767.82x = 16,902,109.70 × 7,667,117.58
  4. Step 4: Simplify right side
    12,258,767.82x = 129,590,462,419,958.52
  5. Step 5: Solve for x
    x = 129,590,462,419,958.52/12,258,767.82
  6. Step 6: Final answer
    x = 10,571,246.99

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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.