Home / 12,455,005.20-18,696,504.60-9,627,651.60

Finding the Fourth Proportional to 12,455,005.20, 18,696,504.60 and 9,627,651.60

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Solution

The fourth proportional to 12,455,005.20, 18,696,504.60 and 9,627,651.60 is: 14,452,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,005.20 : 18,696,504.60 = 9,627,651.60 : x
  2. Step 2: Convert to fraction form
    12,455,005.20/18,696,504.60 = 9,627,651.60/x
  3. Step 3: Cross multiply
    12,455,005.20x = 18,696,504.60 × 9,627,651.60
  4. Step 4: Simplify right side
    12,455,005.20x = 180,003,432,426,597.38
  5. Step 5: Solve for x
    x = 180,003,432,426,597.38/12,455,005.20
  6. Step 6: Final answer
    x = 14,452,296.85

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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.