Home / 19,690,440.15-27,173,242.78-10,869,871.04

Finding the Fourth Proportional to 19,690,440.15, 27,173,242.78 and 10,869,871.04

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Solution

The fourth proportional to 19,690,440.15, 27,173,242.78 and 10,869,871.04 is: 15,000,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690,440.15 : 27,173,242.78 = 10,869,871.04 : x
  2. Step 2: Convert to fraction form
    19,690,440.15/27,173,242.78 = 10,869,871.04/x
  3. Step 3: Cross multiply
    19,690,440.15x = 27,173,242.78 × 10,869,871.04
  4. Step 4: Simplify right side
    19,690,440.15x = 295,369,644,757,212.88
  5. Step 5: Solve for x
    x = 295,369,644,757,212.88/19,690,440.15
  6. Step 6: Final answer
    x = 15,000,662.37

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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.