Home / 18,683,453.10-28,025,179.65-8,586,074.10

Finding the Fourth Proportional to 18,683,453.10, 28,025,179.65 and 8,586,074.10

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Solution

The fourth proportional to 18,683,453.10, 28,025,179.65 and 8,586,074.10 is: 12,879,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,453.10 : 28,025,179.65 = 8,586,074.10 : x
  2. Step 2: Convert to fraction form
    18,683,453.10/28,025,179.65 = 8,586,074.10/x
  3. Step 3: Cross multiply
    18,683,453.10x = 28,025,179.65 × 8,586,074.10
  4. Step 4: Simplify right side
    18,683,453.10x = 240,626,269,140,712.03
  5. Step 5: Solve for x
    x = 240,626,269,140,712.03/18,683,453.10
  6. Step 6: Final answer
    x = 12,879,111.15

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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.