Home / 20,142,120.58-30,219,076.53-6,494,992.50

Finding the Fourth Proportional to 20,142,120.58, 30,219,076.53 and 6,494,992.50

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Solution

The fourth proportional to 20,142,120.58, 30,219,076.53 and 6,494,992.50 is: 9,744,389.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,120.58 : 30,219,076.53 = 6,494,992.50 : x
  2. Step 2: Convert to fraction form
    20,142,120.58/30,219,076.53 = 6,494,992.50/x
  3. Step 3: Cross multiply
    20,142,120.58x = 30,219,076.53 × 6,494,992.50
  4. Step 4: Simplify right side
    20,142,120.58x = 196,272,675,419,276.03
  5. Step 5: Solve for x
    x = 196,272,675,419,276.03/20,142,120.58
  6. Step 6: Final answer
    x = 9,744,389.85

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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.