Home / 20,514,577.80-30,771,866.70-15,731,608.80

Finding the Fourth Proportional to 20,514,577.80, 30,771,866.70 and 15,731,608.80

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Solution

The fourth proportional to 20,514,577.80, 30,771,866.70 and 15,731,608.80 is: 23,597,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514,577.80 : 30,771,866.70 = 15,731,608.80 : x
  2. Step 2: Convert to fraction form
    20,514,577.80/30,771,866.70 = 15,731,608.80/x
  3. Step 3: Cross multiply
    20,514,577.80x = 30,771,866.70 × 15,731,608.80
  4. Step 4: Simplify right side
    20,514,577.80x = 484,090,968,970,147
  5. Step 5: Solve for x
    x = 484,090,968,970,147/20,514,577.80
  6. Step 6: Final answer
    x = 23,597,413.20

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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.