Home / 28,965,207.40-43,472,694.30-12,816,010.60

Finding the Fourth Proportional to 28,965,207.40, 43,472,694.30 and 12,816,010.60

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Solution

The fourth proportional to 28,965,207.40, 43,472,694.30 and 12,816,010.60 is: 19,235,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,965,207.40 : 43,472,694.30 = 12,816,010.60 : x
  2. Step 2: Convert to fraction form
    28,965,207.40/43,472,694.30 = 12,816,010.60/x
  3. Step 3: Cross multiply
    28,965,207.40x = 43,472,694.30 × 12,816,010.60
  4. Step 4: Simplify right side
    28,965,207.40x = 557,146,510,959,359.50
  5. Step 5: Solve for x
    x = 557,146,510,959,359.50/28,965,207.40
  6. Step 6: Final answer
    x = 19,235,025.78

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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.