Home / 8,310,090.40-12,462,025.20-2,916,656.80

Finding the Fourth Proportional to 8,310,090.40, 12,462,025.20 and 2,916,656.80

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Solution

The fourth proportional to 8,310,090.40, 12,462,025.20 and 2,916,656.80 is: 4,373,893.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310,090.40 : 12,462,025.20 = 2,916,656.80 : x
  2. Step 2: Convert to fraction form
    8,310,090.40/12,462,025.20 = 2,916,656.80/x
  3. Step 3: Cross multiply
    8,310,090.40x = 12,462,025.20 × 2,916,656.80
  4. Step 4: Simplify right side
    8,310,090.40x = 36,347,450,541,351.36
  5. Step 5: Solve for x
    x = 36,347,450,541,351.36/8,310,090.40
  6. Step 6: Final answer
    x = 4,373,893.52

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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.