Home / 7,178,427.57-10,766,362.87-2,860,115.88

Finding the Fourth Proportional to 7,178,427.57, 10,766,362.87 and 2,860,115.88

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Solution

The fourth proportional to 7,178,427.57, 10,766,362.87 and 2,860,115.88 is: 4,289,664.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,427.57 : 10,766,362.87 = 2,860,115.88 : x
  2. Step 2: Convert to fraction form
    7,178,427.57/10,766,362.87 = 2,860,115.88/x
  3. Step 3: Cross multiply
    7,178,427.57x = 10,766,362.87 × 2,860,115.88
  4. Step 4: Simplify right side
    7,178,427.57x = 30,793,045,380,263.18
  5. Step 5: Solve for x
    x = 30,793,045,380,263.18/7,178,427.57
  6. Step 6: Final answer
    x = 4,289,664.43

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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.