Home / 14,687,635.22-20,269,392.85-8,072,103.64

Finding the Fourth Proportional to 14,687,635.22, 20,269,392.85 and 8,072,103.64

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Solution

The fourth proportional to 14,687,635.22, 20,269,392.85 and 8,072,103.64 is: 11,139,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687,635.22 : 20,269,392.85 = 8,072,103.64 : x
  2. Step 2: Convert to fraction form
    14,687,635.22/20,269,392.85 = 8,072,103.64/x
  3. Step 3: Cross multiply
    14,687,635.22x = 20,269,392.85 × 8,072,103.64
  4. Step 4: Simplify right side
    14,687,635.22x = 163,616,639,663,367.47
  5. Step 5: Solve for x
    x = 163,616,639,663,367.47/14,687,635.22
  6. Step 6: Final answer
    x = 11,139,753.76

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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.