Home / 15,285,235.23-21,093,792.04-8,315,952.40

Finding the Fourth Proportional to 15,285,235.23, 21,093,792.04 and 8,315,952.40

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Solution

The fourth proportional to 15,285,235.23, 21,093,792.04 and 8,315,952.40 is: 11,476,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285,235.23 : 21,093,792.04 = 8,315,952.40 : x
  2. Step 2: Convert to fraction form
    15,285,235.23/21,093,792.04 = 8,315,952.40/x
  3. Step 3: Cross multiply
    15,285,235.23x = 21,093,792.04 × 8,315,952.40
  4. Step 4: Simplify right side
    15,285,235.23x = 175,414,970,540,138.91
  5. Step 5: Solve for x
    x = 175,414,970,540,138.91/15,285,235.23
  6. Step 6: Final answer
    x = 11,476,105.40

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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.