Home / 7,443,020.40-11,164,530.60-3,183,619.20

Finding the Fourth Proportional to 7,443,020.40, 11,164,530.60 and 3,183,619.20

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Solution

The fourth proportional to 7,443,020.40, 11,164,530.60 and 3,183,619.20 is: 4,775,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443,020.40 : 11,164,530.60 = 3,183,619.20 : x
  2. Step 2: Convert to fraction form
    7,443,020.40/11,164,530.60 = 3,183,619.20/x
  3. Step 3: Cross multiply
    7,443,020.40x = 11,164,530.60 × 3,183,619.20
  4. Step 4: Simplify right side
    7,443,020.40x = 35,543,613,977,147.52
  5. Step 5: Solve for x
    x = 35,543,613,977,147.52/7,443,020.40
  6. Step 6: Final answer
    x = 4,775,428.80

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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.