Home / 20,455,732.36-30,682,851.20-6,078,426.48

Finding the Fourth Proportional to 20,455,732.36, 30,682,851.20 and 6,078,426.48

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Solution

The fourth proportional to 20,455,732.36, 30,682,851.20 and 6,078,426.48 is: 9,117,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,732.36 : 30,682,851.20 = 6,078,426.48 : x
  2. Step 2: Convert to fraction form
    20,455,732.36/30,682,851.20 = 6,078,426.48/x
  3. Step 3: Cross multiply
    20,455,732.36x = 30,682,851.20 × 6,078,426.48
  4. Step 4: Simplify right side
    20,455,732.36x = 186,503,455,122,086.25
  5. Step 5: Solve for x
    x = 186,503,455,122,086.25/20,455,732.36
  6. Step 6: Final answer
    x = 9,117,417.65

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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.