Home / 12,909,729.92-19,361,367.83-3,810,021.44

Finding the Fourth Proportional to 12,909,729.92, 19,361,367.83 and 3,810,021.44

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Solution

The fourth proportional to 12,909,729.92, 19,361,367.83 and 3,810,021.44 is: 5,714,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909,729.92 : 19,361,367.83 = 3,810,021.44 : x
  2. Step 2: Convert to fraction form
    12,909,729.92/19,361,367.83 = 3,810,021.44/x
  3. Step 3: Cross multiply
    12,909,729.92x = 19,361,367.83 × 3,810,021.44
  4. Step 4: Simplify right side
    12,909,729.92x = 73,767,226,452,744.48
  5. Step 5: Solve for x
    x = 73,767,226,452,744.48/12,909,729.92
  6. Step 6: Final answer
    x = 5,714,079.76

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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.