Home / 10,941,403.56-16,397,434.20-8,515,485.64

Finding the Fourth Proportional to 10,941,403.56, 16,397,434.20 and 8,515,485.64

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Solution

The fourth proportional to 10,941,403.56, 16,397,434.20 and 8,515,485.64 is: 12,761,810.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941,403.56 : 16,397,434.20 = 8,515,485.64 : x
  2. Step 2: Convert to fraction form
    10,941,403.56/16,397,434.20 = 8,515,485.64/x
  3. Step 3: Cross multiply
    10,941,403.56x = 16,397,434.20 × 8,515,485.64
  4. Step 4: Simplify right side
    10,941,403.56x = 139,632,115,462,944.89
  5. Step 5: Solve for x
    x = 139,632,115,462,944.89/10,941,403.56
  6. Step 6: Final answer
    x = 12,761,810.19

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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.