Home / 20,344,597.80-30,516,896.70-12,266,694.60

Finding the Fourth Proportional to 20,344,597.80, 30,516,896.70 and 12,266,694.60

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Solution

The fourth proportional to 20,344,597.80, 30,516,896.70 and 12,266,694.60 is: 18,400,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344,597.80 : 30,516,896.70 = 12,266,694.60 : x
  2. Step 2: Convert to fraction form
    20,344,597.80/30,516,896.70 = 12,266,694.60/x
  3. Step 3: Cross multiply
    20,344,597.80x = 30,516,896.70 × 12,266,694.60
  4. Step 4: Simplify right side
    20,344,597.80x = 374,341,451,958,647.81
  5. Step 5: Solve for x
    x = 374,341,451,958,647.81/20,344,597.80
  6. Step 6: Final answer
    x = 18,400,041.90

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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.