Home / 12,583,564.20-18,875,346.30-5,393,874.60

Finding the Fourth Proportional to 12,583,564.20, 18,875,346.30 and 5,393,874.60

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Solution

The fourth proportional to 12,583,564.20, 18,875,346.30 and 5,393,874.60 is: 8,090,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583,564.20 : 18,875,346.30 = 5,393,874.60 : x
  2. Step 2: Convert to fraction form
    12,583,564.20/18,875,346.30 = 5,393,874.60/x
  3. Step 3: Cross multiply
    12,583,564.20x = 18,875,346.30 × 5,393,874.60
  4. Step 4: Simplify right side
    12,583,564.20x = 101,811,250,973,773.98
  5. Step 5: Solve for x
    x = 101,811,250,973,773.98/12,583,564.20
  6. Step 6: Final answer
    x = 8,090,811.90

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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.