Home / 19,690,443.90-27,173,247.96-10,869,874.79

Finding the Fourth Proportional to 19,690,443.90, 27,173,247.96 and 10,869,874.79

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Solution

The fourth proportional to 19,690,443.90, 27,173,247.96 and 10,869,874.79 is: 15,000,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690,443.90 : 27,173,247.96 = 10,869,874.79 : x
  2. Step 2: Convert to fraction form
    19,690,443.90/27,173,247.96 = 10,869,874.79/x
  3. Step 3: Cross multiply
    19,690,443.90x = 27,173,247.96 × 10,869,874.79
  4. Step 4: Simplify right side
    19,690,443.90x = 295,369,802,826,956.69
  5. Step 5: Solve for x
    x = 295,369,802,826,956.69/19,690,443.90
  6. Step 6: Final answer
    x = 15,000,667.55

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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.