Home / 15,719,879.11-21,693,211.27-8,844,344.77

Finding the Fourth Proportional to 15,719,879.11, 21,693,211.27 and 8,844,344.77

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Solution

The fourth proportional to 15,719,879.11, 21,693,211.27 and 8,844,344.77 is: 12,205,070.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719,879.11 : 21,693,211.27 = 8,844,344.77 : x
  2. Step 2: Convert to fraction form
    15,719,879.11/21,693,211.27 = 8,844,344.77/x
  3. Step 3: Cross multiply
    15,719,879.11x = 21,693,211.27 × 8,844,344.77
  4. Step 4: Simplify right side
    15,719,879.11x = 191,862,239,640,329.53
  5. Step 5: Solve for x
    x = 191,862,239,640,329.53/15,719,879.11
  6. Step 6: Final answer
    x = 12,205,070.94

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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.