Home / 18,708,943.48-25,804,115.38-16,099,845.20

Finding the Fourth Proportional to 18,708,943.48, 25,804,115.38 and 16,099,845.20

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Solution

The fourth proportional to 18,708,943.48, 25,804,115.38 and 16,099,845.20 is: 22,205,543.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708,943.48 : 25,804,115.38 = 16,099,845.20 : x
  2. Step 2: Convert to fraction form
    18,708,943.48/25,804,115.38 = 16,099,845.20/x
  3. Step 3: Cross multiply
    18,708,943.48x = 25,804,115.38 × 16,099,845.20
  4. Step 4: Simplify right side
    18,708,943.48x = 415,442,263,140,939.12
  5. Step 5: Solve for x
    x = 415,442,263,140,939.12/18,708,943.48
  6. Step 6: Final answer
    x = 22,205,543.76

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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.