Home / 38,149,178.58-52,647,250.05-21,854,803.86

Finding the Fourth Proportional to 38,149,178.58, 52,647,250.05 and 21,854,803.86

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Solution

The fourth proportional to 38,149,178.58, 52,647,250.05 and 21,854,803.86 is: 30,160,421.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,149,178.58 : 52,647,250.05 = 21,854,803.86 : x
  2. Step 2: Convert to fraction form
    38,149,178.58/52,647,250.05 = 21,854,803.86/x
  3. Step 3: Cross multiply
    38,149,178.58x = 52,647,250.05 × 21,854,803.86
  4. Step 4: Simplify right side
    38,149,178.58x = 1,150,595,323,611,125
  5. Step 5: Solve for x
    x = 1,150,595,323,611,125/38,149,178.58
  6. Step 6: Final answer
    x = 30,160,421.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.