Home / 20,110,447.40-30,174,948.42-9,183,986.60

Finding the Fourth Proportional to 20,110,447.40, 30,174,948.42 and 9,183,986.60

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Solution

The fourth proportional to 20,110,447.40, 30,174,948.42 and 9,183,986.60 is: 13,780,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110,447.40 : 30,174,948.42 = 9,183,986.60 : x
  2. Step 2: Convert to fraction form
    20,110,447.40/30,174,948.42 = 9,183,986.60/x
  3. Step 3: Cross multiply
    20,110,447.40x = 30,174,948.42 × 9,183,986.60
  4. Step 4: Simplify right side
    20,110,447.40x = 277,126,321,944,971.19
  5. Step 5: Solve for x
    x = 277,126,321,944,971.19/20,110,447.40
  6. Step 6: Final answer
    x = 13,780,216.64

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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.