Home / 12,308,910.90-16,986,947.34-7,415,673.36

Finding the Fourth Proportional to 12,308,910.90, 16,986,947.34 and 7,415,673.36

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Solution

The fourth proportional to 12,308,910.90, 16,986,947.34 and 7,415,673.36 is: 10,234,021.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,910.90 : 16,986,947.34 = 7,415,673.36 : x
  2. Step 2: Convert to fraction form
    12,308,910.90/16,986,947.34 = 7,415,673.36/x
  3. Step 3: Cross multiply
    12,308,910.90x = 16,986,947.34 × 7,415,673.36
  4. Step 4: Simplify right side
    12,308,910.90x = 125,969,652,856,960.86
  5. Step 5: Solve for x
    x = 125,969,652,856,960.86/12,308,910.90
  6. Step 6: Final answer
    x = 10,234,021.02

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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.