Home / 13,869,186.48-19,141,093.80-8,068,212.72

Finding the Fourth Proportional to 13,869,186.48, 19,141,093.80 and 8,068,212.72

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Solution

The fourth proportional to 13,869,186.48, 19,141,093.80 and 8,068,212.72 is: 11,135,073.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869,186.48 : 19,141,093.80 = 8,068,212.72 : x
  2. Step 2: Convert to fraction form
    13,869,186.48/19,141,093.80 = 8,068,212.72/x
  3. Step 3: Cross multiply
    13,869,186.48x = 19,141,093.80 × 8,068,212.72
  4. Step 4: Simplify right side
    13,869,186.48x = 154,434,416,471,873.12
  5. Step 5: Solve for x
    x = 154,434,416,471,873.12/13,869,186.48
  6. Step 6: Final answer
    x = 11,135,073.91

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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.