Home / 18,683,431.60-28,025,147.40-8,586,052.60

Finding the Fourth Proportional to 18,683,431.60, 28,025,147.40 and 8,586,052.60

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Solution

The fourth proportional to 18,683,431.60, 28,025,147.40 and 8,586,052.60 is: 12,879,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,431.60 : 28,025,147.40 = 8,586,052.60 : x
  2. Step 2: Convert to fraction form
    18,683,431.60/28,025,147.40 = 8,586,052.60/x
  3. Step 3: Cross multiply
    18,683,431.60x = 28,025,147.40 × 8,586,052.60
  4. Step 4: Simplify right side
    18,683,431.60x = 240,625,389,699,153.22
  5. Step 5: Solve for x
    x = 240,625,389,699,153.22/18,683,431.60
  6. Step 6: Final answer
    x = 12,879,078.90

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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.