Home / 7,152,940.40-10,729,410.60-4,885,458.80

Finding the Fourth Proportional to 7,152,940.40, 10,729,410.60 and 4,885,458.80

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Solution

The fourth proportional to 7,152,940.40, 10,729,410.60 and 4,885,458.80 is: 7,328,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,940.40 : 10,729,410.60 = 4,885,458.80 : x
  2. Step 2: Convert to fraction form
    7,152,940.40/10,729,410.60 = 4,885,458.80/x
  3. Step 3: Cross multiply
    7,152,940.40x = 10,729,410.60 × 4,885,458.80
  4. Step 4: Simplify right side
    7,152,940.40x = 52,418,093,434,583.27
  5. Step 5: Solve for x
    x = 52,418,093,434,583.27/7,152,940.40
  6. Step 6: Final answer
    x = 7,328,188.20

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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.