Home / 14,073,129.60-21,084,811.20-12,480,604.80

Finding the Fourth Proportional to 14,073,129.60, 21,084,811.20 and 12,480,604.80

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Solution

The fourth proportional to 14,073,129.60, 21,084,811.20 and 12,480,604.80 is: 18,698,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073,129.60 : 21,084,811.20 = 12,480,604.80 : x
  2. Step 2: Convert to fraction form
    14,073,129.60/21,084,811.20 = 12,480,604.80/x
  3. Step 3: Cross multiply
    14,073,129.60x = 21,084,811.20 × 12,480,604.80
  4. Step 4: Simplify right side
    14,073,129.60x = 263,151,195,869,813.78
  5. Step 5: Solve for x
    x = 263,151,195,869,813.78/14,073,129.60
  6. Step 6: Final answer
    x = 18,698,839.80

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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.