Home / 11,880,018.30-17,820,027.45-7,093,112.70

Finding the Fourth Proportional to 11,880,018.30, 17,820,027.45 and 7,093,112.70

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Solution

The fourth proportional to 11,880,018.30, 17,820,027.45 and 7,093,112.70 is: 10,639,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,018.30 : 17,820,027.45 = 7,093,112.70 : x
  2. Step 2: Convert to fraction form
    11,880,018.30/17,820,027.45 = 7,093,112.70/x
  3. Step 3: Cross multiply
    11,880,018.30x = 17,820,027.45 × 7,093,112.70
  4. Step 4: Simplify right side
    11,880,018.30x = 126,399,463,019,943.61
  5. Step 5: Solve for x
    x = 126,399,463,019,943.61/11,880,018.30
  6. Step 6: Final answer
    x = 10,639,669.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.