Home / 16,128,209.60-24,192,314.40-12,097,131.20

Finding the Fourth Proportional to 16,128,209.60, 24,192,314.40 and 12,097,131.20

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Solution

The fourth proportional to 16,128,209.60, 24,192,314.40 and 12,097,131.20 is: 18,145,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,209.60 : 24,192,314.40 = 12,097,131.20 : x
  2. Step 2: Convert to fraction form
    16,128,209.60/24,192,314.40 = 12,097,131.20/x
  3. Step 3: Cross multiply
    16,128,209.60x = 24,192,314.40 × 12,097,131.20
  4. Step 4: Simplify right side
    16,128,209.60x = 292,657,601,328,449.25
  5. Step 5: Solve for x
    x = 292,657,601,328,449.25/16,128,209.60
  6. Step 6: Final answer
    x = 18,145,696.80

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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.