Home / 18,690,391.50-25,792,590.15-10,850,631.18

Finding the Fourth Proportional to 18,690,391.50, 25,792,590.15 and 10,850,631.18

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Solution

The fourth proportional to 18,690,391.50, 25,792,590.15 and 10,850,631.18 is: 14,973,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690,391.50 : 25,792,590.15 = 10,850,631.18 : x
  2. Step 2: Convert to fraction form
    18,690,391.50/25,792,590.15 = 10,850,631.18/x
  3. Step 3: Cross multiply
    18,690,391.50x = 25,792,590.15 × 10,850,631.18
  4. Step 4: Simplify right side
    18,690,391.50x = 279,865,882,894,550.84
  5. Step 5: Solve for x
    x = 279,865,882,894,550.84/18,690,391.50
  6. Step 6: Final answer
    x = 14,973,783.88

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1.5x scale

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.