Home / 27,732,108.60-38,279,928.78-19,058,991.48

Finding the Fourth Proportional to 27,732,108.60, 38,279,928.78 and 19,058,991.48

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Solution

The fourth proportional to 27,732,108.60, 38,279,928.78 and 19,058,991.48 is: 26,308,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732,108.60 : 38,279,928.78 = 19,058,991.48 : x
  2. Step 2: Convert to fraction form
    27,732,108.60/38,279,928.78 = 19,058,991.48/x
  3. Step 3: Cross multiply
    27,732,108.60x = 38,279,928.78 × 19,058,991.48
  4. Step 4: Simplify right side
    27,732,108.60x = 729,576,836,473,026.88
  5. Step 5: Solve for x
    x = 729,576,836,473,026.88/27,732,108.60
  6. Step 6: Final answer
    x = 26,308,018.87

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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.