Home / 45,336,178.12-62,540,354.94-28,787,989.96

Finding the Fourth Proportional to 45,336,178.12, 62,540,354.94 and 28,787,989.96

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Solution

The fourth proportional to 45,336,178.12, 62,540,354.94 and 28,787,989.96 is: 39,712,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,336,178.12 : 62,540,354.94 = 28,787,989.96 : x
  2. Step 2: Convert to fraction form
    45,336,178.12/62,540,354.94 = 28,787,989.96/x
  3. Step 3: Cross multiply
    45,336,178.12x = 62,540,354.94 × 28,787,989.96
  4. Step 4: Simplify right side
    45,336,178.12x = 1,800,411,110,107,556.50
  5. Step 5: Solve for x
    x = 1,800,411,110,107,556.50/45,336,178.12
  6. Step 6: Final answer
    x = 39,712,458.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.