Home / 11,969,659.80-16,518,236.22-6,813,353.40

Finding the Fourth Proportional to 11,969,659.80, 16,518,236.22 and 6,813,353.40

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Solution

The fourth proportional to 11,969,659.80, 16,518,236.22 and 6,813,353.40 is: 9,402,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969,659.80 : 16,518,236.22 = 6,813,353.40 : x
  2. Step 2: Convert to fraction form
    11,969,659.80/16,518,236.22 = 6,813,353.40/x
  3. Step 3: Cross multiply
    11,969,659.80x = 16,518,236.22 × 6,813,353.40
  4. Step 4: Simplify right side
    11,969,659.80x = 112,544,580,911,540.16
  5. Step 5: Solve for x
    x = 112,544,580,911,540.16/11,969,659.80
  6. Step 6: Final answer
    x = 9,402,487.86

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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.