Home / 12,350,634.40-18,536,449.20-9,957,181.60

Finding the Fourth Proportional to 12,350,634.40, 18,536,449.20 and 9,957,181.60

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Solution

The fourth proportional to 12,350,634.40, 18,536,449.20 and 9,957,181.60 is: 14,944,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350,634.40 : 18,536,449.20 = 9,957,181.60 : x
  2. Step 2: Convert to fraction form
    12,350,634.40/18,536,449.20 = 9,957,181.60/x
  3. Step 3: Cross multiply
    12,350,634.40x = 18,536,449.20 × 9,957,181.60
  4. Step 4: Simplify right side
    12,350,634.40x = 184,570,790,903,574.72
  5. Step 5: Solve for x
    x = 184,570,790,903,574.72/12,350,634.40
  6. Step 6: Final answer
    x = 14,944,235.65

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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.