Home / 12,528,098.20-18,792,147.30-6,543,688.60

Finding the Fourth Proportional to 12,528,098.20, 18,792,147.30 and 6,543,688.60

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Solution

The fourth proportional to 12,528,098.20, 18,792,147.30 and 6,543,688.60 is: 9,815,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,098.20 : 18,792,147.30 = 6,543,688.60 : x
  2. Step 2: Convert to fraction form
    12,528,098.20/18,792,147.30 = 6,543,688.60/x
  3. Step 3: Cross multiply
    12,528,098.20x = 18,792,147.30 × 6,543,688.60
  4. Step 4: Simplify right side
    12,528,098.20x = 122,969,960,056,530.78
  5. Step 5: Solve for x
    x = 122,969,960,056,530.78/12,528,098.20
  6. Step 6: Final answer
    x = 9,815,532.90

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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.