Home / 20,199,191.40-27,875,061.16-11,497,923.48

Finding the Fourth Proportional to 20,199,191.40, 27,875,061.16 and 11,497,923.48

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Solution

The fourth proportional to 20,199,191.40, 27,875,061.16 and 11,497,923.48 is: 15,867,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,191.40 : 27,875,061.16 = 11,497,923.48 : x
  2. Step 2: Convert to fraction form
    20,199,191.40/27,875,061.16 = 11,497,923.48/x
  3. Step 3: Cross multiply
    20,199,191.40x = 27,875,061.16 × 11,497,923.48
  4. Step 4: Simplify right side
    20,199,191.40x = 320,505,320,218,000.06
  5. Step 5: Solve for x
    x = 320,505,320,218,000.06/20,199,191.40
  6. Step 6: Final answer
    x = 15,867,235.17

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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.