Home / 20,180,876.10-30,275,297.90-7,401,491.52

Finding the Fourth Proportional to 20,180,876.10, 30,275,297.90 and 7,401,491.52

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Solution

The fourth proportional to 20,180,876.10, 30,275,297.90 and 7,401,491.52 is: 11,103,698.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,876.10 : 30,275,297.90 = 7,401,491.52 : x
  2. Step 2: Convert to fraction form
    20,180,876.10/30,275,297.90 = 7,401,491.52/x
  3. Step 3: Cross multiply
    20,180,876.10x = 30,275,297.90 × 7,401,491.52
  4. Step 4: Simplify right side
    20,180,876.10x = 224,082,360,672,323.78
  5. Step 5: Solve for x
    x = 224,082,360,672,323.78/20,180,876.10
  6. Step 6: Final answer
    x = 11,103,698.35

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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.