Home / 11,820,091.20-16,314,261.84-7,466,408.16

Finding the Fourth Proportional to 11,820,091.20, 16,314,261.84 and 7,466,408.16

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Solution

The fourth proportional to 11,820,091.20, 16,314,261.84 and 7,466,408.16 is: 10,305,245.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,820,091.20 : 16,314,261.84 = 7,466,408.16 : x
  2. Step 2: Convert to fraction form
    11,820,091.20/16,314,261.84 = 7,466,408.16/x
  3. Step 3: Cross multiply
    11,820,091.20x = 16,314,261.84 × 7,466,408.16
  4. Step 4: Simplify right side
    11,820,091.20x = 121,808,937,726,552.61
  5. Step 5: Solve for x
    x = 121,808,937,726,552.61/11,820,091.20
  6. Step 6: Final answer
    x = 10,305,245.17

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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.