Home / 6,967,897.20-9,615,698.12-3,912,177.06

Finding the Fourth Proportional to 6,967,897.20, 9,615,698.12 and 3,912,177.06

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Solution

The fourth proportional to 6,967,897.20, 9,615,698.12 and 3,912,177.06 is: 5,398,804.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967,897.20 : 9,615,698.12 = 3,912,177.06 : x
  2. Step 2: Convert to fraction form
    6,967,897.20/9,615,698.12 = 3,912,177.06/x
  3. Step 3: Cross multiply
    6,967,897.20x = 9,615,698.12 × 3,912,177.06
  4. Step 4: Simplify right side
    6,967,897.20x = 37,618,313,600,949.12
  5. Step 5: Solve for x
    x = 37,618,313,600,949.12/6,967,897.20
  6. Step 6: Final answer
    x = 5,398,804.33

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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.