Home / 28,916,996.80-43,375,495.20-27,641,538.40

Finding the Fourth Proportional to 28,916,996.80, 43,375,495.20 and 27,641,538.40

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Solution

The fourth proportional to 28,916,996.80, 43,375,495.20 and 27,641,538.40 is: 41,462,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,916,996.80 : 43,375,495.20 = 27,641,538.40 : x
  2. Step 2: Convert to fraction form
    28,916,996.80/43,375,495.20 = 27,641,538.40/x
  3. Step 3: Cross multiply
    28,916,996.80x = 43,375,495.20 × 27,641,538.40
  4. Step 4: Simplify right side
    28,916,996.80x = 1,198,965,416,189,815.75
  5. Step 5: Solve for x
    x = 1,198,965,416,189,815.75/28,916,996.80
  6. Step 6: Final answer
    x = 41,462,307.60

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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.