Home / 28,471,620.50-42,775,562.94-18,256,494.03

Finding the Fourth Proportional to 28,471,620.50, 42,775,562.94 and 18,256,494.03

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Solution

The fourth proportional to 28,471,620.50, 42,775,562.94 and 18,256,494.03 is: 27,428,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471,620.50 : 42,775,562.94 = 18,256,494.03 : x
  2. Step 2: Convert to fraction form
    28,471,620.50/42,775,562.94 = 18,256,494.03/x
  3. Step 3: Cross multiply
    28,471,620.50x = 42,775,562.94 × 18,256,494.03
  4. Step 4: Simplify right side
    28,471,620.50x = 780,931,809,443,999.25
  5. Step 5: Solve for x
    x = 780,931,809,443,999.25/28,471,620.50
  6. Step 6: Final answer
    x = 27,428,428.58

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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.