Home / 12,068,698.20-18,103,047.30-11,265,631.80

Finding the Fourth Proportional to 12,068,698.20, 18,103,047.30 and 11,265,631.80

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Solution

The fourth proportional to 12,068,698.20, 18,103,047.30 and 11,265,631.80 is: 16,898,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068,698.20 : 18,103,047.30 = 11,265,631.80 : x
  2. Step 2: Convert to fraction form
    12,068,698.20/18,103,047.30 = 11,265,631.80/x
  3. Step 3: Cross multiply
    12,068,698.20x = 18,103,047.30 × 11,265,631.80
  4. Step 4: Simplify right side
    12,068,698.20x = 203,942,265,339,784.16
  5. Step 5: Solve for x
    x = 203,942,265,339,784.16/12,068,698.20
  6. Step 6: Final answer
    x = 16,898,447.70

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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.