Home / 11,340,471.45-15,642,893.03-7,259,004.57

Finding the Fourth Proportional to 11,340,471.45, 15,642,893.03 and 7,259,004.57

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Solution

The fourth proportional to 11,340,471.45, 15,642,893.03 and 7,259,004.57 is: 10,012,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340,471.45 : 15,642,893.03 = 7,259,004.57 : x
  2. Step 2: Convert to fraction form
    11,340,471.45/15,642,893.03 = 7,259,004.57/x
  3. Step 3: Cross multiply
    11,340,471.45x = 15,642,893.03 × 7,259,004.57
  4. Step 4: Simplify right side
    11,340,471.45x = 113,551,831,956,496.12
  5. Step 5: Solve for x
    x = 113,551,831,956,496.12/11,340,471.45
  6. Step 6: Final answer
    x = 10,012,972.78

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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.