Home / 11,459,801.21-15,814,447.61-6,499,177.75

Finding the Fourth Proportional to 11,459,801.21, 15,814,447.61 and 6,499,177.75

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Solution

The fourth proportional to 11,459,801.21, 15,814,447.61 and 6,499,177.75 is: 8,968,821.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459,801.21 : 15,814,447.61 = 6,499,177.75 : x
  2. Step 2: Convert to fraction form
    11,459,801.21/15,814,447.61 = 6,499,177.75/x
  3. Step 3: Cross multiply
    11,459,801.21x = 15,814,447.61 × 6,499,177.75
  4. Step 4: Simplify right side
    11,459,801.21x = 102,780,906,069,939.86
  5. Step 5: Solve for x
    x = 102,780,906,069,939.86/11,459,801.21
  6. Step 6: Final answer
    x = 8,968,821.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.