Home / 28,964,080.80-43,446,121.20-18,886,384.80

Finding the Fourth Proportional to 28,964,080.80, 43,446,121.20 and 18,886,384.80

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Solution

The fourth proportional to 28,964,080.80, 43,446,121.20 and 18,886,384.80 is: 28,329,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964,080.80 : 43,446,121.20 = 18,886,384.80 : x
  2. Step 2: Convert to fraction form
    28,964,080.80/43,446,121.20 = 18,886,384.80/x
  3. Step 3: Cross multiply
    28,964,080.80x = 43,446,121.20 × 18,886,384.80
  4. Step 4: Simplify right side
    28,964,080.80x = 820,540,163,050,637.88
  5. Step 5: Solve for x
    x = 820,540,163,050,637.88/28,964,080.80
  6. Step 6: Final answer
    x = 28,329,577.20

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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.