Home / 20,323,218.91-28,045,690.14-11,030,589.58

Finding the Fourth Proportional to 20,323,218.91, 28,045,690.14 and 11,030,589.58

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Solution

The fourth proportional to 20,323,218.91, 28,045,690.14 and 11,030,589.58 is: 15,222,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323,218.91 : 28,045,690.14 = 11,030,589.58 : x
  2. Step 2: Convert to fraction form
    20,323,218.91/28,045,690.14 = 11,030,589.58/x
  3. Step 3: Cross multiply
    20,323,218.91x = 28,045,690.14 × 11,030,589.58
  4. Step 4: Simplify right side
    20,323,218.91x = 309,360,497,422,192.75
  5. Step 5: Solve for x
    x = 309,360,497,422,192.75/20,323,218.91
  6. Step 6: Final answer
    x = 15,222,022.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.