Home / 27,902,119-38,508,532.52-15,678,977.08

Finding the Fourth Proportional to 27,902,119, 38,508,532.52 and 15,678,977.08

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Solution

The fourth proportional to 27,902,119, 38,508,532.52 and 15,678,977.08 is: 21,639,015.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,902,119 : 38,508,532.52 = 15,678,977.08 : x
  2. Step 2: Convert to fraction form
    27,902,119/38,508,532.52 = 15,678,977.08/x
  3. Step 3: Cross multiply
    27,902,119x = 38,508,532.52 × 15,678,977.08
  4. Step 4: Simplify right side
    27,902,119x = 603,774,398,765,514.75
  5. Step 5: Solve for x
    x = 603,774,398,765,514.75/27,902,119
  6. Step 6: Final answer
    x = 21,639,015.97

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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.