Home / 20,125,681.71-30,131,832.29-18,084,948.27

Finding the Fourth Proportional to 20,125,681.71, 30,131,832.29 and 18,084,948.27

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Solution

The fourth proportional to 20,125,681.71, 30,131,832.29 and 18,084,948.27 is: 27,076,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125,681.71 : 30,131,832.29 = 18,084,948.27 : x
  2. Step 2: Convert to fraction form
    20,125,681.71/30,131,832.29 = 18,084,948.27/x
  3. Step 3: Cross multiply
    20,125,681.71x = 30,131,832.29 × 18,084,948.27
  4. Step 4: Simplify right side
    20,125,681.71x = 544,932,628,154,540.88
  5. Step 5: Solve for x
    x = 544,932,628,154,540.88/20,125,681.71
  6. Step 6: Final answer
    x = 27,076,480.49

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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.