Home / 18,683,801.10-28,025,701.65-10,074,456.90

Finding the Fourth Proportional to 18,683,801.10, 28,025,701.65 and 10,074,456.90

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Solution

The fourth proportional to 18,683,801.10, 28,025,701.65 and 10,074,456.90 is: 15,111,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,801.10 : 28,025,701.65 = 10,074,456.90 : x
  2. Step 2: Convert to fraction form
    18,683,801.10/28,025,701.65 = 10,074,456.90/x
  3. Step 3: Cross multiply
    18,683,801.10x = 28,025,701.65 × 10,074,456.90
  4. Step 4: Simplify right side
    18,683,801.10x = 282,343,723,365,183.88
  5. Step 5: Solve for x
    x = 282,343,723,365,183.88/18,683,801.10
  6. Step 6: Final answer
    x = 15,111,685.35

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Double scale
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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.