Home / 13,301,673.11-18,356,300.77-7,190,101.61

Finding the Fourth Proportional to 13,301,673.11, 18,356,300.77 and 7,190,101.61

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Solution

The fourth proportional to 13,301,673.11, 18,356,300.77 and 7,190,101.61 is: 9,922,335.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,673.11 : 18,356,300.77 = 7,190,101.61 : x
  2. Step 2: Convert to fraction form
    13,301,673.11/18,356,300.77 = 7,190,101.61/x
  3. Step 3: Cross multiply
    13,301,673.11x = 18,356,300.77 × 7,190,101.61
  4. Step 4: Simplify right side
    13,301,673.11x = 131,983,667,720,021.25
  5. Step 5: Solve for x
    x = 131,983,667,720,021.25/13,301,673.11
  6. Step 6: Final answer
    x = 9,922,335.83

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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.