Home / 12,298,512.10-18,447,768.15-6,629,808.10

Finding the Fourth Proportional to 12,298,512.10, 18,447,768.15 and 6,629,808.10

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Solution

The fourth proportional to 12,298,512.10, 18,447,768.15 and 6,629,808.10 is: 9,944,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,512.10 : 18,447,768.15 = 6,629,808.10 : x
  2. Step 2: Convert to fraction form
    12,298,512.10/18,447,768.15 = 6,629,808.10/x
  3. Step 3: Cross multiply
    12,298,512.10x = 18,447,768.15 × 6,629,808.10
  4. Step 4: Simplify right side
    12,298,512.10x = 122,305,162,707,792
  5. Step 5: Solve for x
    x = 122,305,162,707,792/12,298,512.10
  6. Step 6: Final answer
    x = 9,944,712.15

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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.