Home / 12,063,008.80-18,094,513.20-11,503,136.80

Finding the Fourth Proportional to 12,063,008.80, 18,094,513.20 and 11,503,136.80

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Solution

The fourth proportional to 12,063,008.80, 18,094,513.20 and 11,503,136.80 is: 17,254,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063,008.80 : 18,094,513.20 = 11,503,136.80 : x
  2. Step 2: Convert to fraction form
    12,063,008.80/18,094,513.20 = 11,503,136.80/x
  3. Step 3: Cross multiply
    12,063,008.80x = 18,094,513.20 × 11,503,136.80
  4. Step 4: Simplify right side
    12,063,008.80x = 208,143,660,669,005.75
  5. Step 5: Solve for x
    x = 208,143,660,669,005.75/12,063,008.80
  6. Step 6: Final answer
    x = 17,254,705.20

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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.