Home / 13,601,252.60-20,401,878.90-12,821,805.80

Finding the Fourth Proportional to 13,601,252.60, 20,401,878.90 and 12,821,805.80

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Solution

The fourth proportional to 13,601,252.60, 20,401,878.90 and 12,821,805.80 is: 19,232,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601,252.60 : 20,401,878.90 = 12,821,805.80 : x
  2. Step 2: Convert to fraction form
    13,601,252.60/20,401,878.90 = 12,821,805.80/x
  3. Step 3: Cross multiply
    13,601,252.60x = 20,401,878.90 × 12,821,805.80
  4. Step 4: Simplify right side
    13,601,252.60x = 261,588,929,210,917.62
  5. Step 5: Solve for x
    x = 261,588,929,210,917.62/13,601,252.60
  6. Step 6: Final answer
    x = 19,232,708.70

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1.5x scale

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.