Home / 12,711,690.72-17,525,667.60-8,233,277.40

Finding the Fourth Proportional to 12,711,690.72, 17,525,667.60 and 8,233,277.40

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Solution

The fourth proportional to 12,711,690.72, 17,525,667.60 and 8,233,277.40 is: 11,351,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711,690.72 : 17,525,667.60 = 8,233,277.40 : x
  2. Step 2: Convert to fraction form
    12,711,690.72/17,525,667.60 = 8,233,277.40/x
  3. Step 3: Cross multiply
    12,711,690.72x = 17,525,667.60 × 8,233,277.40
  4. Step 4: Simplify right side
    12,711,690.72x = 144,293,682,970,992.25
  5. Step 5: Solve for x
    x = 144,293,682,970,992.25/12,711,690.72
  6. Step 6: Final answer
    x = 11,351,258.16

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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.