Home / 11,828,620.20-17,742,930.30-5,451,328.20

Finding the Fourth Proportional to 11,828,620.20, 17,742,930.30 and 5,451,328.20

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Solution

The fourth proportional to 11,828,620.20, 17,742,930.30 and 5,451,328.20 is: 8,176,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828,620.20 : 17,742,930.30 = 5,451,328.20 : x
  2. Step 2: Convert to fraction form
    11,828,620.20/17,742,930.30 = 5,451,328.20/x
  3. Step 3: Cross multiply
    11,828,620.20x = 17,742,930.30 × 5,451,328.20
  4. Step 4: Simplify right side
    11,828,620.20x = 96,722,536,295,024.47
  5. Step 5: Solve for x
    x = 96,722,536,295,024.47/11,828,620.20
  6. Step 6: Final answer
    x = 8,176,992.30

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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.