Home / 9,831,398.38-13,568,927.89-5,915,112.87

Finding the Fourth Proportional to 9,831,398.38, 13,568,927.89 and 5,915,112.87

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Solution

The fourth proportional to 9,831,398.38, 13,568,927.89 and 5,915,112.87 is: 8,163,817.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831,398.38 : 13,568,927.89 = 5,915,112.87 : x
  2. Step 2: Convert to fraction form
    9,831,398.38/13,568,927.89 = 5,915,112.87/x
  3. Step 3: Cross multiply
    9,831,398.38x = 13,568,927.89 × 5,915,112.87
  4. Step 4: Simplify right side
    9,831,398.38x = 80,261,739,994,240.95
  5. Step 5: Solve for x
    x = 80,261,739,994,240.95/9,831,398.38
  6. Step 6: Final answer
    x = 8,163,817.28

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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.