Home / 18,763,624.18-25,880,452.76-17,219,871

Finding the Fourth Proportional to 18,763,624.18, 25,880,452.76 and 17,219,871

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Solution

The fourth proportional to 18,763,624.18, 25,880,452.76 and 17,219,871 is: 23,751,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763,624.18 : 25,880,452.76 = 17,219,871 : x
  2. Step 2: Convert to fraction form
    18,763,624.18/25,880,452.76 = 17,219,871/x
  3. Step 3: Cross multiply
    18,763,624.18x = 25,880,452.76 × 17,219,871
  4. Step 4: Simplify right side
    18,763,624.18x = 445,658,057,948,794
  5. Step 5: Solve for x
    x = 445,658,057,948,794/18,763,624.18
  6. Step 6: Final answer
    x = 23,751,171.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.