Home / 28,493,051.40-42,771,069.90-17,722,513.80

Finding the Fourth Proportional to 28,493,051.40, 42,771,069.90 and 17,722,513.80

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Solution

The fourth proportional to 28,493,051.40, 42,771,069.90 and 17,722,513.80 is: 26,603,359.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493,051.40 : 42,771,069.90 = 17,722,513.80 : x
  2. Step 2: Convert to fraction form
    28,493,051.40/42,771,069.90 = 17,722,513.80/x
  3. Step 3: Cross multiply
    28,493,051.40x = 42,771,069.90 × 17,722,513.80
  4. Step 4: Simplify right side
    28,493,051.40x = 758,010,876,543,514.62
  5. Step 5: Solve for x
    x = 758,010,876,543,514.62/28,493,051.40
  6. Step 6: Final answer
    x = 26,603,359.04

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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.