Home / 20,674,899.09-31,012,346.70-5,528,436.93

Finding the Fourth Proportional to 20,674,899.09, 31,012,346.70 and 5,528,436.93

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Solution

The fourth proportional to 20,674,899.09, 31,012,346.70 and 5,528,436.93 is: 8,292,654.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,674,899.09 : 31,012,346.70 = 5,528,436.93 : x
  2. Step 2: Convert to fraction form
    20,674,899.09/31,012,346.70 = 5,528,436.93/x
  3. Step 3: Cross multiply
    20,674,899.09x = 31,012,346.70 × 5,528,436.93
  4. Step 4: Simplify right side
    20,674,899.09x = 171,449,802,782,243.62
  5. Step 5: Solve for x
    x = 171,449,802,782,243.62/20,674,899.09
  6. Step 6: Final answer
    x = 8,292,654.88

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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.