Home / 7,243,892.80-9,996,513.60-3,936,158.08

Finding the Fourth Proportional to 7,243,892.80, 9,996,513.60 and 3,936,158.08

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Solution

The fourth proportional to 7,243,892.80, 9,996,513.60 and 3,936,158.08 is: 5,431,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,892.80 : 9,996,513.60 = 3,936,158.08 : x
  2. Step 2: Convert to fraction form
    7,243,892.80/9,996,513.60 = 3,936,158.08/x
  3. Step 3: Cross multiply
    7,243,892.80x = 9,996,513.60 × 3,936,158.08
  4. Step 4: Simplify right side
    7,243,892.80x = 39,347,857,778,469.89
  5. Step 5: Solve for x
    x = 39,347,857,778,469.89/7,243,892.80
  6. Step 6: Final answer
    x = 5,431,866.38

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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.