Home / 18,590,596.80-27,885,895.20-17,315,138.40

Finding the Fourth Proportional to 18,590,596.80, 27,885,895.20 and 17,315,138.40

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Solution

The fourth proportional to 18,590,596.80, 27,885,895.20 and 17,315,138.40 is: 25,972,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590,596.80 : 27,885,895.20 = 17,315,138.40 : x
  2. Step 2: Convert to fraction form
    18,590,596.80/27,885,895.20 = 17,315,138.40/x
  3. Step 3: Cross multiply
    18,590,596.80x = 27,885,895.20 × 17,315,138.40
  4. Step 4: Simplify right side
    18,590,596.80x = 482,848,134,795,895.62
  5. Step 5: Solve for x
    x = 482,848,134,795,895.62/18,590,596.80
  6. Step 6: Final answer
    x = 25,972,707.60

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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.