Home / 28,867,288.80-43,300,933.20-8,669,906.40

Finding the Fourth Proportional to 28,867,288.80, 43,300,933.20 and 8,669,906.40

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Solution

The fourth proportional to 28,867,288.80, 43,300,933.20 and 8,669,906.40 is: 13,004,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867,288.80 : 43,300,933.20 = 8,669,906.40 : x
  2. Step 2: Convert to fraction form
    28,867,288.80/43,300,933.20 = 8,669,906.40/x
  3. Step 3: Cross multiply
    28,867,288.80x = 43,300,933.20 × 8,669,906.40
  4. Step 4: Simplify right side
    28,867,288.80x = 375,415,037,876,652.50
  5. Step 5: Solve for x
    x = 375,415,037,876,652.50/28,867,288.80
  6. Step 6: Final answer
    x = 13,004,859.60

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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.