Home / 18,265,009.10-25,196,156.39-11,293,458.12

Finding the Fourth Proportional to 18,265,009.10, 25,196,156.39 and 11,293,458.12

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Solution

The fourth proportional to 18,265,009.10, 25,196,156.39 and 11,293,458.12 is: 15,579,063.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265,009.10 : 25,196,156.39 = 11,293,458.12 : x
  2. Step 2: Convert to fraction form
    18,265,009.10/25,196,156.39 = 11,293,458.12/x
  3. Step 3: Cross multiply
    18,265,009.10x = 25,196,156.39 × 11,293,458.12
  4. Step 4: Simplify right side
    18,265,009.10x = 284,551,737,003,669
  5. Step 5: Solve for x
    x = 284,551,737,003,669/18,265,009.10
  6. Step 6: Final answer
    x = 15,579,063.53

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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.