Home / 20,437,302.60-30,621,250.86-12,333,249.36

Finding the Fourth Proportional to 20,437,302.60, 30,621,250.86 and 12,333,249.36

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Solution

The fourth proportional to 20,437,302.60, 30,621,250.86 and 12,333,249.36 is: 18,478,931.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437,302.60 : 30,621,250.86 = 12,333,249.36 : x
  2. Step 2: Convert to fraction form
    20,437,302.60/30,621,250.86 = 12,333,249.36/x
  3. Step 3: Cross multiply
    20,437,302.60x = 30,621,250.86 × 12,333,249.36
  4. Step 4: Simplify right side
    20,437,302.60x = 377,659,522,571,494.44
  5. Step 5: Solve for x
    x = 377,659,522,571,494.44/20,437,302.60
  6. Step 6: Final answer
    x = 18,478,931.88

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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.