Home / 18,683,480.35-28,025,220.53-10,999,237.15

Finding the Fourth Proportional to 18,683,480.35, 28,025,220.53 and 10,999,237.15

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Solution

The fourth proportional to 18,683,480.35, 28,025,220.53 and 10,999,237.15 is: 16,498,855.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,480.35 : 28,025,220.53 = 10,999,237.15 : x
  2. Step 2: Convert to fraction form
    18,683,480.35/28,025,220.53 = 10,999,237.15/x
  3. Step 3: Cross multiply
    18,683,480.35x = 28,025,220.53 × 10,999,237.15
  4. Step 4: Simplify right side
    18,683,480.35x = 308,256,046,735,522.50
  5. Step 5: Solve for x
    x = 308,256,046,735,522.50/18,683,480.35
  6. Step 6: Final answer
    x = 16,498,855.73

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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.