Home / 11,508,951.20-15,881,221.13-6,351,980.36

Finding the Fourth Proportional to 11,508,951.20, 15,881,221.13 and 6,351,980.36

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Solution

The fourth proportional to 11,508,951.20, 15,881,221.13 and 6,351,980.36 is: 8,765,108.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508,951.20 : 15,881,221.13 = 6,351,980.36 : x
  2. Step 2: Convert to fraction form
    11,508,951.20/15,881,221.13 = 6,351,980.36/x
  3. Step 3: Cross multiply
    11,508,951.20x = 15,881,221.13 × 6,351,980.36
  4. Step 4: Simplify right side
    11,508,951.20x = 100,877,204,599,411
  5. Step 5: Solve for x
    x = 100,877,204,599,411/11,508,951.20
  6. Step 6: Final answer
    x = 8,765,108.38

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1.5x scale

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.