Home / 20,516,713.80-30,771,134.10-6,140,250.60

Finding the Fourth Proportional to 20,516,713.80, 30,771,134.10 and 6,140,250.60

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Solution

The fourth proportional to 20,516,713.80, 30,771,134.10 and 6,140,250.60 is: 9,209,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,516,713.80 : 30,771,134.10 = 6,140,250.60 : x
  2. Step 2: Convert to fraction form
    20,516,713.80/30,771,134.10 = 6,140,250.60/x
  3. Step 3: Cross multiply
    20,516,713.80x = 30,771,134.10 × 6,140,250.60
  4. Step 4: Simplify right side
    20,516,713.80x = 188,942,474,620,205.47
  5. Step 5: Solve for x
    x = 188,942,474,620,205.47/20,516,713.80
  6. Step 6: Final answer
    x = 9,209,197.75

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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.