Home / 30,902,940.80-46,335,979.20-18,944,259.20

Finding the Fourth Proportional to 30,902,940.80, 46,335,979.20 and 18,944,259.20

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Solution

The fourth proportional to 30,902,940.80, 46,335,979.20 and 18,944,259.20 is: 28,405,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,902,940.80 : 46,335,979.20 = 18,944,259.20 : x
  2. Step 2: Convert to fraction form
    30,902,940.80/46,335,979.20 = 18,944,259.20/x
  3. Step 3: Cross multiply
    30,902,940.80x = 46,335,979.20 × 18,944,259.20
  4. Step 4: Simplify right side
    30,902,940.80x = 877,800,800,250,608.62
  5. Step 5: Solve for x
    x = 877,800,800,250,608.62/30,902,940.80
  6. Step 6: Final answer
    x = 28,405,089.53

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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.