Home / 28,263,690.40-42,345,769.20-23,187,517.60

Finding the Fourth Proportional to 28,263,690.40, 42,345,769.20 and 23,187,517.60

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Solution

The fourth proportional to 28,263,690.40, 42,345,769.20 and 23,187,517.60 is: 34,740,448.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263,690.40 : 42,345,769.20 = 23,187,517.60 : x
  2. Step 2: Convert to fraction form
    28,263,690.40/42,345,769.20 = 23,187,517.60/x
  3. Step 3: Cross multiply
    28,263,690.40x = 42,345,769.20 × 23,187,517.60
  4. Step 4: Simplify right side
    28,263,690.40x = 981,893,268,610,538
  5. Step 5: Solve for x
    x = 981,893,268,610,538/28,263,690.40
  6. Step 6: Final answer
    x = 34,740,448.07

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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.