Home / 31,458,323.11-43,413,832.77-17,519,678.12

Finding the Fourth Proportional to 31,458,323.11, 43,413,832.77 and 17,519,678.12

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Solution

The fourth proportional to 31,458,323.11, 43,413,832.77 and 17,519,678.12 is: 24,177,905.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,458,323.11 : 43,413,832.77 = 17,519,678.12 : x
  2. Step 2: Convert to fraction form
    31,458,323.11/43,413,832.77 = 17,519,678.12/x
  3. Step 3: Cross multiply
    31,458,323.11x = 43,413,832.77 × 17,519,678.12
  4. Step 4: Simplify right side
    31,458,323.11x = 760,596,376,178,026.62
  5. Step 5: Solve for x
    x = 760,596,376,178,026.62/31,458,323.11
  6. Step 6: Final answer
    x = 24,177,905.91

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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.