Home / 20,845,793.70-31,268,690.55-15,464,953.58

Finding the Fourth Proportional to 20,845,793.70, 31,268,690.55 and 15,464,953.58

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Solution

The fourth proportional to 20,845,793.70, 31,268,690.55 and 15,464,953.58 is: 23,197,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,845,793.70 : 31,268,690.55 = 15,464,953.58 : x
  2. Step 2: Convert to fraction form
    20,845,793.70/31,268,690.55 = 15,464,953.58/x
  3. Step 3: Cross multiply
    20,845,793.70x = 31,268,690.55 × 15,464,953.58
  4. Step 4: Simplify right side
    20,845,793.70x = 483,568,847,706,791.19
  5. Step 5: Solve for x
    x = 483,568,847,706,791.19/20,845,793.70
  6. Step 6: Final answer
    x = 23,197,430.36

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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.