Home / 35,796,886.72-49,398,110.24-20,913,590.32

Finding the Fourth Proportional to 35,796,886.72, 49,398,110.24 and 20,913,590.32

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Solution

The fourth proportional to 35,796,886.72, 49,398,110.24 and 20,913,590.32 is: 28,859,823.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,796,886.72 : 49,398,110.24 = 20,913,590.32 : x
  2. Step 2: Convert to fraction form
    35,796,886.72/49,398,110.24 = 20,913,590.32/x
  3. Step 3: Cross multiply
    35,796,886.72x = 49,398,110.24 × 20,913,590.32
  4. Step 4: Simplify right side
    35,796,886.72x = 1,033,091,840,141,556.88
  5. Step 5: Solve for x
    x = 1,033,091,840,141,556.88/35,796,886.72
  6. Step 6: Final answer
    x = 28,859,823.71

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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.