Home / 18,759,993.80-28,142,260.52-6,626,974.64

Finding the Fourth Proportional to 18,759,993.80, 28,142,260.52 and 6,626,974.64

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Solution

The fourth proportional to 18,759,993.80, 28,142,260.52 and 6,626,974.64 is: 9,941,263.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759,993.80 : 28,142,260.52 = 6,626,974.64 : x
  2. Step 2: Convert to fraction form
    18,759,993.80/28,142,260.52 = 6,626,974.64/x
  3. Step 3: Cross multiply
    18,759,993.80x = 28,142,260.52 × 6,626,974.64
  4. Step 4: Simplify right side
    18,759,993.80x = 186,498,046,604,467.03
  5. Step 5: Solve for x
    x = 186,498,046,604,467.03/18,759,993.80
  6. Step 6: Final answer
    x = 9,941,263.77

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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.