Home / 18,792,114.45-28,188,171.68-14,540,586.45

Finding the Fourth Proportional to 18,792,114.45, 28,188,171.68 and 14,540,586.45

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Solution

The fourth proportional to 18,792,114.45, 28,188,171.68 and 14,540,586.45 is: 21,810,879.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,114.45 : 28,188,171.68 = 14,540,586.45 : x
  2. Step 2: Convert to fraction form
    18,792,114.45/28,188,171.68 = 14,540,586.45/x
  3. Step 3: Cross multiply
    18,792,114.45x = 28,188,171.68 × 14,540,586.45
  4. Step 4: Simplify right side
    18,792,114.45x = 409,872,547,107,778.81
  5. Step 5: Solve for x
    x = 409,872,547,107,778.81/18,792,114.45
  6. Step 6: Final answer
    x = 21,810,879.68

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Similar ratio
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1.5x scale

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.