Home / 14,965,326.10-20,652,858.73-8,438,815.39

Finding the Fourth Proportional to 14,965,326.10, 20,652,858.73 and 8,438,815.39

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Solution

The fourth proportional to 14,965,326.10, 20,652,858.73 and 8,438,815.39 is: 11,645,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,965,326.10 : 20,652,858.73 = 8,438,815.39 : x
  2. Step 2: Convert to fraction form
    14,965,326.10/20,652,858.73 = 8,438,815.39/x
  3. Step 3: Cross multiply
    14,965,326.10x = 20,652,858.73 × 8,438,815.39
  4. Step 4: Simplify right side
    14,965,326.10x = 174,285,662,098,219.88
  5. Step 5: Solve for x
    x = 174,285,662,098,219.88/14,965,326.10
  6. Step 6: Final answer
    x = 11,645,964.87

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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.