Home / 20,703,556.20-31,032,006.30-9,926,020.20

Finding the Fourth Proportional to 20,703,556.20, 31,032,006.30 and 9,926,020.20

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Solution

The fourth proportional to 20,703,556.20, 31,032,006.30 and 9,926,020.20 is: 14,877,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,703,556.20 : 31,032,006.30 = 9,926,020.20 : x
  2. Step 2: Convert to fraction form
    20,703,556.20/31,032,006.30 = 9,926,020.20/x
  3. Step 3: Cross multiply
    20,703,556.20x = 31,032,006.30 × 9,926,020.20
  4. Step 4: Simplify right side
    20,703,556.20x = 308,024,321,380,327.25
  5. Step 5: Solve for x
    x = 308,024,321,380,327.25/20,703,556.20
  6. Step 6: Final answer
    x = 14,877,846.03

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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.