Home / 8,238,907.20-12,372,357.60-6,111,393.60

Finding the Fourth Proportional to 8,238,907.20, 12,372,357.60 and 6,111,393.60

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Solution

The fourth proportional to 8,238,907.20, 12,372,357.60 and 6,111,393.60 is: 9,177,472.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238,907.20 : 12,372,357.60 = 6,111,393.60 : x
  2. Step 2: Convert to fraction form
    8,238,907.20/12,372,357.60 = 6,111,393.60/x
  3. Step 3: Cross multiply
    8,238,907.20x = 12,372,357.60 × 6,111,393.60
  4. Step 4: Simplify right side
    8,238,907.20x = 75,612,347,053,551.36
  5. Step 5: Solve for x
    x = 75,612,347,053,551.36/8,238,907.20
  6. Step 6: Final answer
    x = 9,177,472.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.