Home / 11,142,513.68-15,371,009.79-7,277,297.36

Finding the Fourth Proportional to 11,142,513.68, 15,371,009.79 and 7,277,297.36

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Solution

The fourth proportional to 11,142,513.68, 15,371,009.79 and 7,277,297.36 is: 10,038,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142,513.68 : 15,371,009.79 = 7,277,297.36 : x
  2. Step 2: Convert to fraction form
    11,142,513.68/15,371,009.79 = 7,277,297.36/x
  3. Step 3: Cross multiply
    11,142,513.68x = 15,371,009.79 × 7,277,297.36
  4. Step 4: Simplify right side
    11,142,513.68x = 111,859,408,945,066.88
  5. Step 5: Solve for x
    x = 111,859,408,945,066.88/11,142,513.68
  6. Step 6: Final answer
    x = 10,038,974.34

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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.