Home / 10,077,540.78-13,906,873.48-5,667,265.11

Finding the Fourth Proportional to 10,077,540.78, 13,906,873.48 and 5,667,265.11

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Solution

The fourth proportional to 10,077,540.78, 13,906,873.48 and 5,667,265.11 is: 7,820,751.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077,540.78 : 13,906,873.48 = 5,667,265.11 : x
  2. Step 2: Convert to fraction form
    10,077,540.78/13,906,873.48 = 5,667,265.11/x
  3. Step 3: Cross multiply
    10,077,540.78x = 13,906,873.48 × 5,667,265.11
  4. Step 4: Simplify right side
    10,077,540.78x = 78,813,938,909,233.77
  5. Step 5: Solve for x
    x = 78,813,938,909,233.77/10,077,540.78
  6. Step 6: Final answer
    x = 7,820,751.17

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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.