Home / 28,174,944.60-42,268,487.04-8,743,789.80

Finding the Fourth Proportional to 28,174,944.60, 42,268,487.04 and 8,743,789.80

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Solution

The fourth proportional to 28,174,944.60, 42,268,487.04 and 8,743,789.80 is: 13,117,568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,174,944.60 : 42,268,487.04 = 8,743,789.80 : x
  2. Step 2: Convert to fraction form
    28,174,944.60/42,268,487.04 = 8,743,789.80/x
  3. Step 3: Cross multiply
    28,174,944.60x = 42,268,487.04 × 8,743,789.80
  4. Step 4: Simplify right side
    28,174,944.60x = 369,586,765,841,784.19
  5. Step 5: Solve for x
    x = 369,586,765,841,784.19/28,174,944.60
  6. Step 6: Final answer
    x = 13,117,568.50

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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.