Home / 28,771,866.30-43,086,940.65-13,608,083.10

Finding the Fourth Proportional to 28,771,866.30, 43,086,940.65 and 13,608,083.10

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Solution

The fourth proportional to 28,771,866.30, 43,086,940.65 and 13,608,083.10 is: 20,378,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771,866.30 : 43,086,940.65 = 13,608,083.10 : x
  2. Step 2: Convert to fraction form
    28,771,866.30/43,086,940.65 = 13,608,083.10/x
  3. Step 3: Cross multiply
    28,771,866.30x = 43,086,940.65 × 13,608,083.10
  4. Step 4: Simplify right side
    28,771,866.30x = 586,330,668,889,968
  5. Step 5: Solve for x
    x = 586,330,668,889,968/28,771,866.30
  6. Step 6: Final answer
    x = 20,378,610.92

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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.