Home / 15,753,400.19-21,739,154.82-8,689,273.37

Finding the Fourth Proportional to 15,753,400.19, 21,739,154.82 and 8,689,273.37

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Solution

The fourth proportional to 15,753,400.19, 21,739,154.82 and 8,689,273.37 is: 11,990,900.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,753,400.19 : 21,739,154.82 = 8,689,273.37 : x
  2. Step 2: Convert to fraction form
    15,753,400.19/21,739,154.82 = 8,689,273.37/x
  3. Step 3: Cross multiply
    15,753,400.19x = 21,739,154.82 × 8,689,273.37
  4. Step 4: Simplify right side
    15,753,400.19x = 188,897,459,063,733.12
  5. Step 5: Solve for x
    x = 188,897,459,063,733.12/15,753,400.19
  6. Step 6: Final answer
    x = 11,990,900.81

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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.