Home / 11,918,390.54-16,449,149.67-7,022,047.46

Finding the Fourth Proportional to 11,918,390.54, 16,449,149.67 and 7,022,047.46

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Solution

The fourth proportional to 11,918,390.54, 16,449,149.67 and 7,022,047.46 is: 9,691,468.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918,390.54 : 16,449,149.67 = 7,022,047.46 : x
  2. Step 2: Convert to fraction form
    11,918,390.54/16,449,149.67 = 7,022,047.46/x
  3. Step 3: Cross multiply
    11,918,390.54x = 16,449,149.67 × 7,022,047.46
  4. Step 4: Simplify right side
    11,918,390.54x = 115,506,709,659,383.34
  5. Step 5: Solve for x
    x = 115,506,709,659,383.34/11,918,390.54
  6. Step 6: Final answer
    x = 9,691,468.77

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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.