Home / 18,482,178.72-27,666,516.15-11,626,653

Finding the Fourth Proportional to 18,482,178.72, 27,666,516.15 and 11,626,653

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Solution

The fourth proportional to 18,482,178.72, 27,666,516.15 and 11,626,653 is: 17,404,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482,178.72 : 27,666,516.15 = 11,626,653 : x
  2. Step 2: Convert to fraction form
    18,482,178.72/27,666,516.15 = 11,626,653/x
  3. Step 3: Cross multiply
    18,482,178.72x = 27,666,516.15 × 11,626,653
  4. Step 4: Simplify right side
    18,482,178.72x = 321,668,982,994,945.94
  5. Step 5: Solve for x
    x = 321,668,982,994,945.94/18,482,178.72
  6. Step 6: Final answer
    x = 17,404,278.35

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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.