Home / 28,964,508.80-43,446,763.20-18,886,812.80

Finding the Fourth Proportional to 28,964,508.80, 43,446,763.20 and 18,886,812.80

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Solution

The fourth proportional to 28,964,508.80, 43,446,763.20 and 18,886,812.80 is: 28,330,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964,508.80 : 43,446,763.20 = 18,886,812.80 : x
  2. Step 2: Convert to fraction form
    28,964,508.80/43,446,763.20 = 18,886,812.80/x
  3. Step 3: Cross multiply
    28,964,508.80x = 43,446,763.20 × 18,886,812.80
  4. Step 4: Simplify right side
    28,964,508.80x = 820,570,883,324,329
  5. Step 5: Solve for x
    x = 820,570,883,324,329/28,964,508.80
  6. Step 6: Final answer
    x = 28,330,219.20

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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.