Home / 9,982,383.40-13,775,698.22-5,398,704.78

Finding the Fourth Proportional to 9,982,383.40, 13,775,698.22 and 5,398,704.78

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Solution

The fourth proportional to 9,982,383.40, 13,775,698.22 and 5,398,704.78 is: 7,450,217.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982,383.40 : 13,775,698.22 = 5,398,704.78 : x
  2. Step 2: Convert to fraction form
    9,982,383.40/13,775,698.22 = 5,398,704.78/x
  3. Step 3: Cross multiply
    9,982,383.40x = 13,775,698.22 × 5,398,704.78
  4. Step 4: Simplify right side
    9,982,383.40x = 74,370,927,749,499.09
  5. Step 5: Solve for x
    x = 74,370,927,749,499.09/9,982,383.40
  6. Step 6: Final answer
    x = 7,450,217.52

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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.