Home / 11,665,665.68-17,507,429.88-5,280,402.16

Finding the Fourth Proportional to 11,665,665.68, 17,507,429.88 and 5,280,402.16

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Solution

The fourth proportional to 11,665,665.68, 17,507,429.88 and 5,280,402.16 is: 7,924,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665,665.68 : 17,507,429.88 = 5,280,402.16 : x
  2. Step 2: Convert to fraction form
    11,665,665.68/17,507,429.88 = 5,280,402.16/x
  3. Step 3: Cross multiply
    11,665,665.68x = 17,507,429.88 × 5,280,402.16
  4. Step 4: Simplify right side
    11,665,665.68x = 92,446,270,554,400.53
  5. Step 5: Solve for x
    x = 92,446,270,554,400.53/11,665,665.68
  6. Step 6: Final answer
    x = 7,924,645.97

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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.