Home / 9,990,440.36-13,785,333.65-5,858,911.68

Finding the Fourth Proportional to 9,990,440.36, 13,785,333.65 and 5,858,911.68

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Solution

The fourth proportional to 9,990,440.36, 13,785,333.65 and 5,858,911.68 is: 8,084,433.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,440.36 : 13,785,333.65 = 5,858,911.68 : x
  2. Step 2: Convert to fraction form
    9,990,440.36/13,785,333.65 = 5,858,911.68/x
  3. Step 3: Cross multiply
    9,990,440.36x = 13,785,333.65 × 5,858,911.68
  4. Step 4: Simplify right side
    9,990,440.36x = 80,767,052,305,387.47
  5. Step 5: Solve for x
    x = 80,767,052,305,387.47/9,990,440.36
  6. Step 6: Final answer
    x = 8,084,433.66

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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.