Home / 8,076,985.20-12,115,477.80-2,959,405.20

Finding the Fourth Proportional to 8,076,985.20, 12,115,477.80 and 2,959,405.20

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Solution

The fourth proportional to 8,076,985.20, 12,115,477.80 and 2,959,405.20 is: 4,439,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076,985.20 : 12,115,477.80 = 2,959,405.20 : x
  2. Step 2: Convert to fraction form
    8,076,985.20/12,115,477.80 = 2,959,405.20/x
  3. Step 3: Cross multiply
    8,076,985.20x = 12,115,477.80 × 2,959,405.20
  4. Step 4: Simplify right side
    8,076,985.20x = 35,854,608,001,804.56
  5. Step 5: Solve for x
    x = 35,854,608,001,804.56/8,076,985.20
  6. Step 6: Final answer
    x = 4,439,107.80

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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.