Home / 8,059,405.60-12,089,108.40-2,379,620.80

Finding the Fourth Proportional to 8,059,405.60, 12,089,108.40 and 2,379,620.80

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Solution

The fourth proportional to 8,059,405.60, 12,089,108.40 and 2,379,620.80 is: 3,569,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059,405.60 : 12,089,108.40 = 2,379,620.80 : x
  2. Step 2: Convert to fraction form
    8,059,405.60/12,089,108.40 = 2,379,620.80/x
  3. Step 3: Cross multiply
    8,059,405.60x = 12,089,108.40 × 2,379,620.80
  4. Step 4: Simplify right side
    8,059,405.60x = 28,767,493,802,094.72
  5. Step 5: Solve for x
    x = 28,767,493,802,094.72/8,059,405.60
  6. Step 6: Final answer
    x = 3,569,431.20

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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.