Home / 18,683,474.85-28,025,212.28-8,586,095.85

Finding the Fourth Proportional to 18,683,474.85, 28,025,212.28 and 8,586,095.85

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Solution

The fourth proportional to 18,683,474.85, 28,025,212.28 and 8,586,095.85 is: 12,879,143.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,474.85 : 28,025,212.28 = 8,586,095.85 : x
  2. Step 2: Convert to fraction form
    18,683,474.85/28,025,212.28 = 8,586,095.85/x
  3. Step 3: Cross multiply
    18,683,474.85x = 28,025,212.28 × 8,586,095.85
  4. Step 4: Simplify right side
    18,683,474.85x = 240,627,158,809,746.53
  5. Step 5: Solve for x
    x = 240,627,158,809,746.53/18,683,474.85
  6. Step 6: Final answer
    x = 12,879,143.78

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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.