Home / 7,148,999.60-10,728,748.20-4,752,047.60

Finding the Fourth Proportional to 7,148,999.60, 10,728,748.20 and 4,752,047.60

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Solution

The fourth proportional to 7,148,999.60, 10,728,748.20 and 4,752,047.60 is: 7,131,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,999.60 : 10,728,748.20 = 4,752,047.60 : x
  2. Step 2: Convert to fraction form
    7,148,999.60/10,728,748.20 = 4,752,047.60/x
  3. Step 3: Cross multiply
    7,148,999.60x = 10,728,748.20 × 4,752,047.60
  4. Step 4: Simplify right side
    7,148,999.60x = 50,983,522,134,814.31
  5. Step 5: Solve for x
    x = 50,983,522,134,814.31/7,148,999.60
  6. Step 6: Final answer
    x = 7,131,560.36

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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.