Home / 7,383,857.49-10,190,234.84-4,121,308.71

Finding the Fourth Proportional to 7,383,857.49, 10,190,234.84 and 4,121,308.71

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Solution

The fourth proportional to 7,383,857.49, 10,190,234.84 and 4,121,308.71 is: 5,687,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383,857.49 : 10,190,234.84 = 4,121,308.71 : x
  2. Step 2: Convert to fraction form
    7,383,857.49/10,190,234.84 = 4,121,308.71/x
  3. Step 3: Cross multiply
    7,383,857.49x = 10,190,234.84 × 4,121,308.71
  4. Step 4: Simplify right side
    7,383,857.49x = 41,997,103,582,430.91
  5. Step 5: Solve for x
    x = 41,997,103,582,430.91/7,383,857.49
  6. Step 6: Final answer
    x = 5,687,691.51

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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.