Home / 19,423,906.80-29,169,037.80-12,722,031.60

Finding the Fourth Proportional to 19,423,906.80, 29,169,037.80 and 12,722,031.60

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Solution

The fourth proportional to 19,423,906.80, 29,169,037.80 and 12,722,031.60 is: 19,104,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423,906.80 : 29,169,037.80 = 12,722,031.60 : x
  2. Step 2: Convert to fraction form
    19,423,906.80/29,169,037.80 = 12,722,031.60/x
  3. Step 3: Cross multiply
    19,423,906.80x = 29,169,037.80 × 12,722,031.60
  4. Step 4: Simplify right side
    19,423,906.80x = 371,089,420,633,194.50
  5. Step 5: Solve for x
    x = 371,089,420,633,194.50/19,423,906.80
  6. Step 6: Final answer
    x = 19,104,777.66

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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.