Home / 28,876,392.70-43,285,442.81-18,101,260.35

Finding the Fourth Proportional to 28,876,392.70, 43,285,442.81 and 18,101,260.35

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Solution

The fourth proportional to 28,876,392.70, 43,285,442.81 and 18,101,260.35 is: 27,133,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876,392.70 : 43,285,442.81 = 18,101,260.35 : x
  2. Step 2: Convert to fraction form
    28,876,392.70/43,285,442.81 = 18,101,260.35/x
  3. Step 3: Cross multiply
    28,876,392.70x = 43,285,442.81 × 18,101,260.35
  4. Step 4: Simplify right side
    28,876,392.70x = 783,521,069,668,845.75
  5. Step 5: Solve for x
    x = 783,521,069,668,845.75/28,876,392.70
  6. Step 6: Final answer
    x = 27,133,620.11

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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.