Home / 19,479,383.12-26,875,020.78-11,219,279.96

Finding the Fourth Proportional to 19,479,383.12, 26,875,020.78 and 11,219,279.96

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Solution

The fourth proportional to 19,479,383.12, 26,875,020.78 and 11,219,279.96 is: 15,478,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479,383.12 : 26,875,020.78 = 11,219,279.96 : x
  2. Step 2: Convert to fraction form
    19,479,383.12/26,875,020.78 = 11,219,279.96/x
  3. Step 3: Cross multiply
    19,479,383.12x = 26,875,020.78 × 11,219,279.96
  4. Step 4: Simplify right side
    19,479,383.12x = 301,518,382,061,637.62
  5. Step 5: Solve for x
    x = 301,518,382,061,637.62/19,479,383.12
  6. Step 6: Final answer
    x = 15,478,846.54

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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.