Home / 27,028,781.79-37,300,321.17-15,426,112.56

Finding the Fourth Proportional to 27,028,781.79, 37,300,321.17 and 15,426,112.56

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Solution

The fourth proportional to 27,028,781.79, 37,300,321.17 and 15,426,112.56 is: 21,288,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,028,781.79 : 37,300,321.17 = 15,426,112.56 : x
  2. Step 2: Convert to fraction form
    27,028,781.79/37,300,321.17 = 15,426,112.56/x
  3. Step 3: Cross multiply
    27,028,781.79x = 37,300,321.17 × 15,426,112.56
  4. Step 4: Simplify right side
    27,028,781.79x = 575,398,952,892,571
  5. Step 5: Solve for x
    x = 575,398,952,892,571/27,028,781.79
  6. Step 6: Final answer
    x = 21,288,379.08

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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.