Home / 19,179,104.09-28,780,005.85-7,057,079.87

Finding the Fourth Proportional to 19,179,104.09, 28,780,005.85 and 7,057,079.87

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Solution

The fourth proportional to 19,179,104.09, 28,780,005.85 and 7,057,079.87 is: 10,589,796.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179,104.09 : 28,780,005.85 = 7,057,079.87 : x
  2. Step 2: Convert to fraction form
    19,179,104.09/28,780,005.85 = 7,057,079.87/x
  3. Step 3: Cross multiply
    19,179,104.09x = 28,780,005.85 × 7,057,079.87
  4. Step 4: Simplify right side
    19,179,104.09x = 203,102,799,780,974.53
  5. Step 5: Solve for x
    x = 203,102,799,780,974.53/19,179,104.09
  6. Step 6: Final answer
    x = 10,589,796.00

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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.