Home / 9,990,438.85-13,785,331.58-5,858,910.17

Finding the Fourth Proportional to 9,990,438.85, 13,785,331.58 and 5,858,910.17

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Solution

The fourth proportional to 9,990,438.85, 13,785,331.58 and 5,858,910.17 is: 8,084,431.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,438.85 : 13,785,331.58 = 5,858,910.17 : x
  2. Step 2: Convert to fraction form
    9,990,438.85/13,785,331.58 = 5,858,910.17/x
  3. Step 3: Cross multiply
    9,990,438.85x = 13,785,331.58 × 5,858,910.17
  4. Step 4: Simplify right side
    9,990,438.85x = 80,767,019,443,871.36
  5. Step 5: Solve for x
    x = 80,767,019,443,871.36/9,990,438.85
  6. Step 6: Final answer
    x = 8,084,431.59

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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.