Home / 8,085,405.60-12,128,108.40-4,042,517.40

Finding the Fourth Proportional to 8,085,405.60, 12,128,108.40 and 4,042,517.40

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Solution

The fourth proportional to 8,085,405.60, 12,128,108.40 and 4,042,517.40 is: 6,063,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,405.60 : 12,128,108.40 = 4,042,517.40 : x
  2. Step 2: Convert to fraction form
    8,085,405.60/12,128,108.40 = 4,042,517.40/x
  3. Step 3: Cross multiply
    8,085,405.60x = 12,128,108.40 × 4,042,517.40
  4. Step 4: Simplify right side
    8,085,405.60x = 49,028,089,236,086.16
  5. Step 5: Solve for x
    x = 49,028,089,236,086.16/8,085,405.60
  6. Step 6: Final answer
    x = 6,063,776.10

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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.