Home / 8,121,333.38-11,207,440.06-4,499,661.38

Finding the Fourth Proportional to 8,121,333.38, 11,207,440.06 and 4,499,661.38

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Solution

The fourth proportional to 8,121,333.38, 11,207,440.06 and 4,499,661.38 is: 6,209,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,333.38 : 11,207,440.06 = 4,499,661.38 : x
  2. Step 2: Convert to fraction form
    8,121,333.38/11,207,440.06 = 4,499,661.38/x
  3. Step 3: Cross multiply
    8,121,333.38x = 11,207,440.06 × 4,499,661.38
  4. Step 4: Simplify right side
    8,121,333.38x = 50,429,685,139,360.52
  5. Step 5: Solve for x
    x = 50,429,685,139,360.52/8,121,333.38
  6. Step 6: Final answer
    x = 6,209,532.70

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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.