Home / 9,990,439.85-13,785,332.96-5,858,911.17

Finding the Fourth Proportional to 9,990,439.85, 13,785,332.96 and 5,858,911.17

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Solution

The fourth proportional to 9,990,439.85, 13,785,332.96 and 5,858,911.17 is: 8,084,432.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,439.85 : 13,785,332.96 = 5,858,911.17 : x
  2. Step 2: Convert to fraction form
    9,990,439.85/13,785,332.96 = 5,858,911.17/x
  3. Step 3: Cross multiply
    9,990,439.85x = 13,785,332.96 × 5,858,911.17
  4. Step 4: Simplify right side
    9,990,439.85x = 80,767,041,261,513.17
  5. Step 5: Solve for x
    x = 80,767,041,261,513.17/9,990,439.85
  6. Step 6: Final answer
    x = 8,084,432.97

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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.