Home / 17,985,403.20-26,968,773.60-6,620,001.60

Finding the Fourth Proportional to 17,985,403.20, 26,968,773.60 and 6,620,001.60

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Solution

The fourth proportional to 17,985,403.20, 26,968,773.60 and 6,620,001.60 is: 9,926,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985,403.20 : 26,968,773.60 = 6,620,001.60 : x
  2. Step 2: Convert to fraction form
    17,985,403.20/26,968,773.60 = 6,620,001.60/x
  3. Step 3: Cross multiply
    17,985,403.20x = 26,968,773.60 × 6,620,001.60
  4. Step 4: Simplify right side
    17,985,403.20x = 178,533,324,382,037.75
  5. Step 5: Solve for x
    x = 178,533,324,382,037.75/17,985,403.20
  6. Step 6: Final answer
    x = 9,926,567.81

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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.