Home / 15,247,948.86-21,042,169.53-8,372,430.96

Finding the Fourth Proportional to 15,247,948.86, 21,042,169.53 and 8,372,430.96

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Solution

The fourth proportional to 15,247,948.86, 21,042,169.53 and 8,372,430.96 is: 11,553,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247,948.86 : 21,042,169.53 = 8,372,430.96 : x
  2. Step 2: Convert to fraction form
    15,247,948.86/21,042,169.53 = 8,372,430.96/x
  3. Step 3: Cross multiply
    15,247,948.86x = 21,042,169.53 × 8,372,430.96
  4. Step 4: Simplify right side
    15,247,948.86x = 176,174,111,638,540.66
  5. Step 5: Solve for x
    x = 176,174,111,638,540.66/15,247,948.86
  6. Step 6: Final answer
    x = 11,553,954.78

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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.