Home / 7,243,613.45-9,996,266.12-3,980,429.02

Finding the Fourth Proportional to 7,243,613.45, 9,996,266.12 and 3,980,429.02

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Solution

The fourth proportional to 7,243,613.45, 9,996,266.12 and 3,980,429.02 is: 5,493,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,613.45 : 9,996,266.12 = 3,980,429.02 : x
  2. Step 2: Convert to fraction form
    7,243,613.45/9,996,266.12 = 3,980,429.02/x
  3. Step 3: Cross multiply
    7,243,613.45x = 9,996,266.12 × 3,980,429.02
  4. Step 4: Simplify right side
    7,243,613.45x = 39,789,427,720,749.06
  5. Step 5: Solve for x
    x = 39,789,427,720,749.06/7,243,613.45
  6. Step 6: Final answer
    x = 5,493,035.76

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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.