Home / 13,285,930.80-19,928,896.20-3,702,788.40

Finding the Fourth Proportional to 13,285,930.80, 19,928,896.20 and 3,702,788.40

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Solution

The fourth proportional to 13,285,930.80, 19,928,896.20 and 3,702,788.40 is: 5,554,182.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,930.80 : 19,928,896.20 = 3,702,788.40 : x
  2. Step 2: Convert to fraction form
    13,285,930.80/19,928,896.20 = 3,702,788.40/x
  3. Step 3: Cross multiply
    13,285,930.80x = 19,928,896.20 × 3,702,788.40
  4. Step 4: Simplify right side
    13,285,930.80x = 73,792,485,674,164.08
  5. Step 5: Solve for x
    x = 73,792,485,674,164.08/13,285,930.80
  6. Step 6: Final answer
    x = 5,554,182.60

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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.