Home / 18,683,418.40-28,025,127.60-8,586,039.40

Finding the Fourth Proportional to 18,683,418.40, 28,025,127.60 and 8,586,039.40

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Solution

The fourth proportional to 18,683,418.40, 28,025,127.60 and 8,586,039.40 is: 12,879,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,418.40 : 28,025,127.60 = 8,586,039.40 : x
  2. Step 2: Convert to fraction form
    18,683,418.40/28,025,127.60 = 8,586,039.40/x
  3. Step 3: Cross multiply
    18,683,418.40x = 28,025,127.60 × 8,586,039.40
  4. Step 4: Simplify right side
    18,683,418.40x = 240,624,849,763,627.47
  5. Step 5: Solve for x
    x = 240,624,849,763,627.47/18,683,418.40
  6. Step 6: Final answer
    x = 12,879,059.10

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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.