Home / 13,452,468.70-20,178,703.05-12,177,010.30

Finding the Fourth Proportional to 13,452,468.70, 20,178,703.05 and 12,177,010.30

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Solution

The fourth proportional to 13,452,468.70, 20,178,703.05 and 12,177,010.30 is: 18,265,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,468.70 : 20,178,703.05 = 12,177,010.30 : x
  2. Step 2: Convert to fraction form
    13,452,468.70/20,178,703.05 = 12,177,010.30/x
  3. Step 3: Cross multiply
    13,452,468.70x = 20,178,703.05 × 12,177,010.30
  4. Step 4: Simplify right side
    13,452,468.70x = 245,716,274,880,491.44
  5. Step 5: Solve for x
    x = 245,716,274,880,491.44/13,452,468.70
  6. Step 6: Final answer
    x = 18,265,515.45

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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.