Home / 28,788,150.77-43,189,789.05-10,345,957.76

Finding the Fourth Proportional to 28,788,150.77, 43,189,789.05 and 10,345,957.76

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Solution

The fourth proportional to 28,788,150.77, 43,189,789.05 and 10,345,957.76 is: 15,521,654.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788,150.77 : 43,189,789.05 = 10,345,957.76 : x
  2. Step 2: Convert to fraction form
    28,788,150.77/43,189,789.05 = 10,345,957.76/x
  3. Step 3: Cross multiply
    28,788,150.77x = 43,189,789.05 × 10,345,957.76
  4. Step 4: Simplify right side
    28,788,150.77x = 446,839,733,174,610.50
  5. Step 5: Solve for x
    x = 446,839,733,174,610.50/28,788,150.77
  6. Step 6: Final answer
    x = 15,521,654.61

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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.