Home / 5,555,749.74-8,375,266.07-5,185,401.78

Finding the Fourth Proportional to 5,555,749.74, 8,375,266.07 and 5,185,401.78

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Solution

The fourth proportional to 5,555,749.74, 8,375,266.07 and 5,185,401.78 is: 7,816,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555,749.74 : 8,375,266.07 = 5,185,401.78 : x
  2. Step 2: Convert to fraction form
    5,555,749.74/8,375,266.07 = 5,185,401.78/x
  3. Step 3: Cross multiply
    5,555,749.74x = 8,375,266.07 × 5,185,401.78
  4. Step 4: Simplify right side
    5,555,749.74x = 43,429,119,587,351.61
  5. Step 5: Solve for x
    x = 43,429,119,587,351.61/5,555,749.74
  6. Step 6: Final answer
    x = 7,816,968.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.