Home / 10,867,040.70-16,311,058.65-6,615,512.70

Finding the Fourth Proportional to 10,867,040.70, 16,311,058.65 and 6,615,512.70

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Solution

The fourth proportional to 10,867,040.70, 16,311,058.65 and 6,615,512.70 is: 9,929,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,040.70 : 16,311,058.65 = 6,615,512.70 : x
  2. Step 2: Convert to fraction form
    10,867,040.70/16,311,058.65 = 6,615,512.70/x
  3. Step 3: Cross multiply
    10,867,040.70x = 16,311,058.65 × 6,615,512.70
  4. Step 4: Simplify right side
    10,867,040.70x = 107,906,015,649,519.86
  5. Step 5: Solve for x
    x = 107,906,015,649,519.86/10,867,040.70
  6. Step 6: Final answer
    x = 9,929,659.66

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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.