Home / 21,755,436.44-30,023,070.34-11,966,137.59

Finding the Fourth Proportional to 21,755,436.44, 30,023,070.34 and 11,966,137.59

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Solution

The fourth proportional to 21,755,436.44, 30,023,070.34 and 11,966,137.59 is: 16,513,582.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,755,436.44 : 30,023,070.34 = 11,966,137.59 : x
  2. Step 2: Convert to fraction form
    21,755,436.44/30,023,070.34 = 11,966,137.59/x
  3. Step 3: Cross multiply
    21,755,436.44x = 30,023,070.34 × 11,966,137.59
  4. Step 4: Simplify right side
    21,755,436.44x = 359,260,190,667,795.75
  5. Step 5: Solve for x
    x = 359,260,190,667,795.75/21,755,436.44
  6. Step 6: Final answer
    x = 16,513,582.33

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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.