Home / 12,910,999.80-19,361,973.39-3,810,669.24

Finding the Fourth Proportional to 12,910,999.80, 19,361,973.39 and 3,810,669.24

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Solution

The fourth proportional to 12,910,999.80, 19,361,973.39 and 3,810,669.24 is: 5,714,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910,999.80 : 19,361,973.39 = 3,810,669.24 : x
  2. Step 2: Convert to fraction form
    12,910,999.80/19,361,973.39 = 3,810,669.24/x
  3. Step 3: Cross multiply
    12,910,999.80x = 19,361,973.39 × 3,810,669.24
  4. Step 4: Simplify right side
    12,910,999.80x = 73,782,076,422,971.53
  5. Step 5: Solve for x
    x = 73,782,076,422,971.53/12,910,999.80
  6. Step 6: Final answer
    x = 5,714,667.92

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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.