Home / 7,243,613.57-9,996,266.29-3,980,429.14

Finding the Fourth Proportional to 7,243,613.57, 9,996,266.29 and 3,980,429.14

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Solution

The fourth proportional to 7,243,613.57, 9,996,266.29 and 3,980,429.14 is: 5,493,035.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,613.57 : 9,996,266.29 = 3,980,429.14 : x
  2. Step 2: Convert to fraction form
    7,243,613.57/9,996,266.29 = 3,980,429.14/x
  3. Step 3: Cross multiply
    7,243,613.57x = 9,996,266.29 × 3,980,429.14
  4. Step 4: Simplify right side
    7,243,613.57x = 39,789,429,631,915.69
  5. Step 5: Solve for x
    x = 39,789,429,631,915.69/7,243,613.57
  6. Step 6: Final answer
    x = 5,493,035.93

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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.