Home / 7,152,664.80-10,728,997.20-3,108,464.40

Finding the Fourth Proportional to 7,152,664.80, 10,728,997.20 and 3,108,464.40

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Solution

The fourth proportional to 7,152,664.80, 10,728,997.20 and 3,108,464.40 is: 4,662,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,664.80 : 10,728,997.20 = 3,108,464.40 : x
  2. Step 2: Convert to fraction form
    7,152,664.80/10,728,997.20 = 3,108,464.40/x
  3. Step 3: Cross multiply
    7,152,664.80x = 10,728,997.20 × 3,108,464.40
  4. Step 4: Simplify right side
    7,152,664.80x = 33,350,705,843,899.68
  5. Step 5: Solve for x
    x = 33,350,705,843,899.68/7,152,664.80
  6. Step 6: Final answer
    x = 4,662,696.60

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1.5x scale

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.