Home / 8,108,976.15-11,190,391.45-4,437,890.57

Finding the Fourth Proportional to 8,108,976.15, 11,190,391.45 and 4,437,890.57

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Solution

The fourth proportional to 8,108,976.15, 11,190,391.45 and 4,437,890.57 is: 6,124,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108,976.15 : 11,190,391.45 = 4,437,890.57 : x
  2. Step 2: Convert to fraction form
    8,108,976.15/11,190,391.45 = 4,437,890.57/x
  3. Step 3: Cross multiply
    8,108,976.15x = 11,190,391.45 × 4,437,890.57
  4. Step 4: Simplify right side
    8,108,976.15x = 49,661,732,707,444.88
  5. Step 5: Solve for x
    x = 49,661,732,707,444.88/8,108,976.15
  6. Step 6: Final answer
    x = 6,124,291.38

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Double scale
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1.5x scale

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.