Home / 18,378,569.78-27,567,848.19-4,915,047.86

Finding the Fourth Proportional to 18,378,569.78, 27,567,848.19 and 4,915,047.86

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Solution

The fourth proportional to 18,378,569.78, 27,567,848.19 and 4,915,047.86 is: 7,372,570.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378,569.78 : 27,567,848.19 = 4,915,047.86 : x
  2. Step 2: Convert to fraction form
    18,378,569.78/27,567,848.19 = 4,915,047.86/x
  3. Step 3: Cross multiply
    18,378,569.78x = 27,567,848.19 × 4,915,047.86
  4. Step 4: Simplify right side
    18,378,569.78x = 135,497,293,251,064.39
  5. Step 5: Solve for x
    x = 135,497,293,251,064.39/18,378,569.78
  6. Step 6: Final answer
    x = 7,372,570.06

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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.