Home / 7,297,986.40-10,946,979.60-4,610,600.80

Finding the Fourth Proportional to 7,297,986.40, 10,946,979.60 and 4,610,600.80

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Solution

The fourth proportional to 7,297,986.40, 10,946,979.60 and 4,610,600.80 is: 6,915,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297,986.40 : 10,946,979.60 = 4,610,600.80 : x
  2. Step 2: Convert to fraction form
    7,297,986.40/10,946,979.60 = 4,610,600.80/x
  3. Step 3: Cross multiply
    7,297,986.40x = 10,946,979.60 × 4,610,600.80
  4. Step 4: Simplify right side
    7,297,986.40x = 50,472,152,901,343.68
  5. Step 5: Solve for x
    x = 50,472,152,901,343.68/7,297,986.40
  6. Step 6: Final answer
    x = 6,915,901.20

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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.