Home / 27,295,976.20-40,943,964.30-12,947,069.20

Finding the Fourth Proportional to 27,295,976.20, 40,943,964.30 and 12,947,069.20

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Solution

The fourth proportional to 27,295,976.20, 40,943,964.30 and 12,947,069.20 is: 19,420,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,295,976.20 : 40,943,964.30 = 12,947,069.20 : x
  2. Step 2: Convert to fraction form
    27,295,976.20/40,943,964.30 = 12,947,069.20/x
  3. Step 3: Cross multiply
    27,295,976.20x = 40,943,964.30 × 12,947,069.20
  4. Step 4: Simplify right side
    27,295,976.20x = 530,104,339,114,429.50
  5. Step 5: Solve for x
    x = 530,104,339,114,429.50/27,295,976.20
  6. Step 6: Final answer
    x = 19,420,603.80

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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.