Home / 20,837,805.55-31,244,590.49-7,884,956.33

Finding the Fourth Proportional to 20,837,805.55, 31,244,590.49 and 7,884,956.33

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Solution

The fourth proportional to 20,837,805.55, 31,244,590.49 and 7,884,956.33 is: 11,822,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837,805.55 : 31,244,590.49 = 7,884,956.33 : x
  2. Step 2: Convert to fraction form
    20,837,805.55/31,244,590.49 = 7,884,956.33/x
  3. Step 3: Cross multiply
    20,837,805.55x = 31,244,590.49 × 7,884,956.33
  4. Step 4: Simplify right side
    20,837,805.55x = 246,362,231,522,958.53
  5. Step 5: Solve for x
    x = 246,362,231,522,958.53/20,837,805.55
  6. Step 6: Final answer
    x = 11,822,849.15

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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.