Home / 7,387,220.89-10,191,469.44-4,289,215.11

Finding the Fourth Proportional to 7,387,220.89, 10,191,469.44 and 4,289,215.11

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Solution

The fourth proportional to 7,387,220.89, 10,191,469.44 and 4,289,215.11 is: 5,917,435.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387,220.89 : 10,191,469.44 = 4,289,215.11 : x
  2. Step 2: Convert to fraction form
    7,387,220.89/10,191,469.44 = 4,289,215.11/x
  3. Step 3: Cross multiply
    7,387,220.89x = 10,191,469.44 × 4,289,215.11
  4. Step 4: Simplify right side
    7,387,220.89x = 43,713,404,693,017.78
  5. Step 5: Solve for x
    x = 43,713,404,693,017.78/7,387,220.89
  6. Step 6: Final answer
    x = 5,917,435.71

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Double scale
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Similar ratio
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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.