Home / 13,280,890.52-18,336,091.11-10,839,325.54

Finding the Fourth Proportional to 13,280,890.52, 18,336,091.11 and 10,839,325.54

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Solution

The fourth proportional to 13,280,890.52, 18,336,091.11 and 10,839,325.54 is: 14,965,175.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,890.52 : 18,336,091.11 = 10,839,325.54 : x
  2. Step 2: Convert to fraction form
    13,280,890.52/18,336,091.11 = 10,839,325.54/x
  3. Step 3: Cross multiply
    13,280,890.52x = 18,336,091.11 × 10,839,325.54
  4. Step 4: Simplify right side
    13,280,890.52x = 198,750,860,672,389.94
  5. Step 5: Solve for x
    x = 198,750,860,672,389.94/13,280,890.52
  6. Step 6: Final answer
    x = 14,965,175.74

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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.