Home / 20,367,069.80-30,550,604.70-18,099,588.20

Finding the Fourth Proportional to 20,367,069.80, 30,550,604.70 and 18,099,588.20

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Solution

The fourth proportional to 20,367,069.80, 30,550,604.70 and 18,099,588.20 is: 27,149,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367,069.80 : 30,550,604.70 = 18,099,588.20 : x
  2. Step 2: Convert to fraction form
    20,367,069.80/30,550,604.70 = 18,099,588.20/x
  3. Step 3: Cross multiply
    20,367,069.80x = 30,550,604.70 × 18,099,588.20
  4. Step 4: Simplify right side
    20,367,069.80x = 552,953,364,330,984.50
  5. Step 5: Solve for x
    x = 552,953,364,330,984.50/20,367,069.80
  6. Step 6: Final answer
    x = 27,149,382.30

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1.5x scale

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.