Home / 28,876,817.10-43,294,230.45-11,828,714.70

Finding the Fourth Proportional to 28,876,817.10, 43,294,230.45 and 11,828,714.70

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Solution

The fourth proportional to 28,876,817.10, 43,294,230.45 and 11,828,714.70 is: 17,734,471.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876,817.10 : 43,294,230.45 = 11,828,714.70 : x
  2. Step 2: Convert to fraction form
    28,876,817.10/43,294,230.45 = 11,828,714.70/x
  3. Step 3: Cross multiply
    28,876,817.10x = 43,294,230.45 × 11,828,714.70
  4. Step 4: Simplify right side
    28,876,817.10x = 512,115,100,149,102.62
  5. Step 5: Solve for x
    x = 512,115,100,149,102.62/28,876,817.10
  6. Step 6: Final answer
    x = 17,734,471.86

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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.