Home / 18,683,414.40-28,025,121.60-8,586,035.40

Finding the Fourth Proportional to 18,683,414.40, 28,025,121.60 and 8,586,035.40

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Solution

The fourth proportional to 18,683,414.40, 28,025,121.60 and 8,586,035.40 is: 12,879,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,414.40 : 28,025,121.60 = 8,586,035.40 : x
  2. Step 2: Convert to fraction form
    18,683,414.40/28,025,121.60 = 8,586,035.40/x
  3. Step 3: Cross multiply
    18,683,414.40x = 28,025,121.60 × 8,586,035.40
  4. Step 4: Simplify right side
    18,683,414.40x = 240,624,686,146,904.66
  5. Step 5: Solve for x
    x = 240,624,686,146,904.66/18,683,414.40
  6. Step 6: Final answer
    x = 12,879,053.10

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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.