Home / 28,003,896.20-42,005,844.30-26,809,502.60

Finding the Fourth Proportional to 28,003,896.20, 42,005,844.30 and 26,809,502.60

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Solution

The fourth proportional to 28,003,896.20, 42,005,844.30 and 26,809,502.60 is: 40,214,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,896.20 : 42,005,844.30 = 26,809,502.60 : x
  2. Step 2: Convert to fraction form
    28,003,896.20/42,005,844.30 = 26,809,502.60/x
  3. Step 3: Cross multiply
    28,003,896.20x = 42,005,844.30 × 26,809,502.60
  4. Step 4: Simplify right side
    28,003,896.20x = 1,126,155,791,976,045.25
  5. Step 5: Solve for x
    x = 1,126,155,791,976,045.25/28,003,896.20
  6. Step 6: Final answer
    x = 40,214,253.90

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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.