Home / 29,072,349.87-40,120,698.62-16,020,449.54

Finding the Fourth Proportional to 29,072,349.87, 40,120,698.62 and 16,020,449.54

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Solution

The fourth proportional to 29,072,349.87, 40,120,698.62 and 16,020,449.54 is: 22,108,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,072,349.87 : 40,120,698.62 = 16,020,449.54 : x
  2. Step 2: Convert to fraction form
    29,072,349.87/40,120,698.62 = 16,020,449.54/x
  3. Step 3: Cross multiply
    29,072,349.87x = 40,120,698.62 × 16,020,449.54
  4. Step 4: Simplify right side
    29,072,349.87x = 642,751,627,876,721.75
  5. Step 5: Solve for x
    x = 642,751,627,876,721.75/29,072,349.87
  6. Step 6: Final answer
    x = 22,108,691.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.