Home / 9,906,990.51-13,671,745.94-5,555,983.40

Finding the Fourth Proportional to 9,906,990.51, 13,671,745.94 and 5,555,983.40

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Solution

The fourth proportional to 9,906,990.51, 13,671,745.94 and 5,555,983.40 is: 7,667,312.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906,990.51 : 13,671,745.94 = 5,555,983.40 : x
  2. Step 2: Convert to fraction form
    9,906,990.51/13,671,745.94 = 5,555,983.40/x
  3. Step 3: Cross multiply
    9,906,990.51x = 13,671,745.94 × 5,555,983.40
  4. Step 4: Simplify right side
    9,906,990.51x = 75,959,993,491,657.39
  5. Step 5: Solve for x
    x = 75,959,993,491,657.39/9,906,990.51
  6. Step 6: Final answer
    x = 7,667,312.63

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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.