Home / 20,892,120.13-28,832,026.17-11,599,690.33

Finding the Fourth Proportional to 20,892,120.13, 28,832,026.17 and 11,599,690.33

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Solution

The fourth proportional to 20,892,120.13, 28,832,026.17 and 11,599,690.33 is: 16,008,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,892,120.13 : 28,832,026.17 = 11,599,690.33 : x
  2. Step 2: Convert to fraction form
    20,892,120.13/28,832,026.17 = 11,599,690.33/x
  3. Step 3: Cross multiply
    20,892,120.13x = 28,832,026.17 × 11,599,690.33
  4. Step 4: Simplify right side
    20,892,120.13x = 334,442,575,158,455.94
  5. Step 5: Solve for x
    x = 334,442,575,158,455.94/20,892,120.13
  6. Step 6: Final answer
    x = 16,008,072.57

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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.