Home / 7,243,613.07-9,996,265.60-3,980,428.64

Finding the Fourth Proportional to 7,243,613.07, 9,996,265.60 and 3,980,428.64

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Solution

The fourth proportional to 7,243,613.07, 9,996,265.60 and 3,980,428.64 is: 5,493,035.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,613.07 : 9,996,265.60 = 3,980,428.64 : x
  2. Step 2: Convert to fraction form
    7,243,613.07/9,996,265.60 = 3,980,428.64/x
  3. Step 3: Cross multiply
    7,243,613.07x = 9,996,265.60 × 3,980,428.64
  4. Step 4: Simplify right side
    7,243,613.07x = 39,789,421,887,286.78
  5. Step 5: Solve for x
    x = 39,789,421,887,286.78/7,243,613.07
  6. Step 6: Final answer
    x = 5,493,035.24

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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.