Home / 10,828,474.80-16,242,712.20-4,443,309.60

Finding the Fourth Proportional to 10,828,474.80, 16,242,712.20 and 4,443,309.60

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Solution

The fourth proportional to 10,828,474.80, 16,242,712.20 and 4,443,309.60 is: 6,664,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828,474.80 : 16,242,712.20 = 4,443,309.60 : x
  2. Step 2: Convert to fraction form
    10,828,474.80/16,242,712.20 = 4,443,309.60/x
  3. Step 3: Cross multiply
    10,828,474.80x = 16,242,712.20 × 4,443,309.60
  4. Step 4: Simplify right side
    10,828,474.80x = 72,171,399,048,297.11
  5. Step 5: Solve for x
    x = 72,171,399,048,297.11/10,828,474.80
  6. Step 6: Final answer
    x = 6,664,964.40

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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.