Home / 28,713,879.20-43,056,044.40-8,516,496.80

Finding the Fourth Proportional to 28,713,879.20, 43,056,044.40 and 8,516,496.80

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Solution

The fourth proportional to 28,713,879.20, 43,056,044.40 and 8,516,496.80 is: 12,770,363.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713,879.20 : 43,056,044.40 = 8,516,496.80 : x
  2. Step 2: Convert to fraction form
    28,713,879.20/43,056,044.40 = 8,516,496.80/x
  3. Step 3: Cross multiply
    28,713,879.20x = 43,056,044.40 × 8,516,496.80
  4. Step 4: Simplify right side
    28,713,879.20x = 366,686,664,353,257.94
  5. Step 5: Solve for x
    x = 366,686,664,353,257.94/28,713,879.20
  6. Step 6: Final answer
    x = 12,770,363.13

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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.