Home / 10,522,406.40-15,783,609.60-9,934,540.80

Finding the Fourth Proportional to 10,522,406.40, 15,783,609.60 and 9,934,540.80

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Solution

The fourth proportional to 10,522,406.40, 15,783,609.60 and 9,934,540.80 is: 14,901,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522,406.40 : 15,783,609.60 = 9,934,540.80 : x
  2. Step 2: Convert to fraction form
    10,522,406.40/15,783,609.60 = 9,934,540.80/x
  3. Step 3: Cross multiply
    10,522,406.40x = 15,783,609.60 × 9,934,540.80
  4. Step 4: Simplify right side
    10,522,406.40x = 156,802,913,542,471.69
  5. Step 5: Solve for x
    x = 156,802,913,542,471.69/10,522,406.40
  6. Step 6: Final answer
    x = 14,901,811.20

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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.