Home / 13,854,091.15-20,772,334.45-12,151,653

Finding the Fourth Proportional to 13,854,091.15, 20,772,334.45 and 12,151,653

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Solution

The fourth proportional to 13,854,091.15, 20,772,334.45 and 12,151,653 is: 18,219,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854,091.15 : 20,772,334.45 = 12,151,653 : x
  2. Step 2: Convert to fraction form
    13,854,091.15/20,772,334.45 = 12,151,653/x
  3. Step 3: Cross multiply
    13,854,091.15x = 20,772,334.45 × 12,151,653
  4. Step 4: Simplify right side
    13,854,091.15x = 252,418,200,236,345.84
  5. Step 5: Solve for x
    x = 252,418,200,236,345.84/13,854,091.15
  6. Step 6: Final answer
    x = 18,219,758.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.