Home / 18,365,087.80-27,516,138.90-11,972,049.40

Finding the Fourth Proportional to 18,365,087.80, 27,516,138.90 and 11,972,049.40

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Solution

The fourth proportional to 18,365,087.80, 27,516,138.90 and 11,972,049.40 is: 17,937,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365,087.80 : 27,516,138.90 = 11,972,049.40 : x
  2. Step 2: Convert to fraction form
    18,365,087.80/27,516,138.90 = 11,972,049.40/x
  3. Step 3: Cross multiply
    18,365,087.80x = 27,516,138.90 × 11,972,049.40
  4. Step 4: Simplify right side
    18,365,087.80x = 329,424,574,208,061.62
  5. Step 5: Solve for x
    x = 329,424,574,208,061.62/18,365,087.80
  6. Step 6: Final answer
    x = 17,937,544.20

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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.