Home / 27,028,781.80-37,300,321.16-15,426,112.56

Finding the Fourth Proportional to 27,028,781.80, 37,300,321.16 and 15,426,112.56

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Solution

The fourth proportional to 27,028,781.80, 37,300,321.16 and 15,426,112.56 is: 21,288,379.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,028,781.80 : 37,300,321.16 = 15,426,112.56 : x
  2. Step 2: Convert to fraction form
    27,028,781.80/37,300,321.16 = 15,426,112.56/x
  3. Step 3: Cross multiply
    27,028,781.80x = 37,300,321.16 × 15,426,112.56
  4. Step 4: Simplify right side
    27,028,781.80x = 575,398,952,738,309.75
  5. Step 5: Solve for x
    x = 575,398,952,738,309.75/27,028,781.80
  6. Step 6: Final answer
    x = 21,288,379.07

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1.5x scale

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.