Home / 20,807,999.60-31,210,444.20-8,674,329.20

Finding the Fourth Proportional to 20,807,999.60, 31,210,444.20 and 8,674,329.20

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Solution

The fourth proportional to 20,807,999.60, 31,210,444.20 and 8,674,329.20 is: 13,010,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,807,999.60 : 31,210,444.20 = 8,674,329.20 : x
  2. Step 2: Convert to fraction form
    20,807,999.60/31,210,444.20 = 8,674,329.20/x
  3. Step 3: Cross multiply
    20,807,999.60x = 31,210,444.20 × 8,674,329.20
  4. Step 4: Simplify right side
    20,807,999.60x = 270,729,667,469,030.62
  5. Step 5: Solve for x
    x = 270,729,667,469,030.62/20,807,999.60
  6. Step 6: Final answer
    x = 13,010,845.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.