Home / 11,420,905.49-17,126,043.85-4,230,508.76

Finding the Fourth Proportional to 11,420,905.49, 17,126,043.85 and 4,230,508.76

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Solution

The fourth proportional to 11,420,905.49, 17,126,043.85 and 4,230,508.76 is: 6,343,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420,905.49 : 17,126,043.85 = 4,230,508.76 : x
  2. Step 2: Convert to fraction form
    11,420,905.49/17,126,043.85 = 4,230,508.76/x
  3. Step 3: Cross multiply
    11,420,905.49x = 17,126,043.85 × 4,230,508.76
  4. Step 4: Simplify right side
    11,420,905.49x = 72,451,878,531,569.12
  5. Step 5: Solve for x
    x = 72,451,878,531,569.12/11,420,905.49
  6. Step 6: Final answer
    x = 6,343,794.60

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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.