Home / 16,870,891.80-25,287,675.30-9,303,288.60

Finding the Fourth Proportional to 16,870,891.80, 25,287,675.30 and 9,303,288.60

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Solution

The fourth proportional to 16,870,891.80, 25,287,675.30 and 9,303,288.60 is: 13,944,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870,891.80 : 25,287,675.30 = 9,303,288.60 : x
  2. Step 2: Convert to fraction form
    16,870,891.80/25,287,675.30 = 9,303,288.60/x
  3. Step 3: Cross multiply
    16,870,891.80x = 25,287,675.30 × 9,303,288.60
  4. Step 4: Simplify right side
    16,870,891.80x = 235,258,541,338,991.56
  5. Step 5: Solve for x
    x = 235,258,541,338,991.56/16,870,891.80
  6. Step 6: Final answer
    x = 13,944,641.70

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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.