Home / 13,772,704.20-20,659,056.30-12,284,669.40

Finding the Fourth Proportional to 13,772,704.20, 20,659,056.30 and 12,284,669.40

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Solution

The fourth proportional to 13,772,704.20, 20,659,056.30 and 12,284,669.40 is: 18,427,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,704.20 : 20,659,056.30 = 12,284,669.40 : x
  2. Step 2: Convert to fraction form
    13,772,704.20/20,659,056.30 = 12,284,669.40/x
  3. Step 3: Cross multiply
    13,772,704.20x = 20,659,056.30 × 12,284,669.40
  4. Step 4: Simplify right side
    13,772,704.20x = 253,789,676,761,487.25
  5. Step 5: Solve for x
    x = 253,789,676,761,487.25/13,772,704.20
  6. Step 6: Final answer
    x = 18,427,004.10

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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.