Home / 20,134,101.40-30,165,722.70-16,520,302.60

Finding the Fourth Proportional to 20,134,101.40, 30,165,722.70 and 16,520,302.60

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Solution

The fourth proportional to 20,134,101.40, 30,165,722.70 and 16,520,302.60 is: 24,751,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134,101.40 : 30,165,722.70 = 16,520,302.60 : x
  2. Step 2: Convert to fraction form
    20,134,101.40/30,165,722.70 = 16,520,302.60/x
  3. Step 3: Cross multiply
    20,134,101.40x = 30,165,722.70 × 16,520,302.60
  4. Step 4: Simplify right side
    20,134,101.40x = 498,346,867,151,689
  5. Step 5: Solve for x
    x = 498,346,867,151,689/20,134,101.40
  6. Step 6: Final answer
    x = 24,751,383.60

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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.