Home / 18,439,429.80-27,650,850.30-7,076,101.80

Finding the Fourth Proportional to 18,439,429.80, 27,650,850.30 and 7,076,101.80

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Solution

The fourth proportional to 18,439,429.80, 27,650,850.30 and 7,076,101.80 is: 10,610,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439,429.80 : 27,650,850.30 = 7,076,101.80 : x
  2. Step 2: Convert to fraction form
    18,439,429.80/27,650,850.30 = 7,076,101.80/x
  3. Step 3: Cross multiply
    18,439,429.80x = 27,650,850.30 × 7,076,101.80
  4. Step 4: Simplify right side
    18,439,429.80x = 195,660,231,579,360.53
  5. Step 5: Solve for x
    x = 195,660,231,579,360.53/18,439,429.80
  6. Step 6: Final answer
    x = 10,610,969.74

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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.