Home / 19,101,009.72-26,361,678.78-11,262,296.28

Finding the Fourth Proportional to 19,101,009.72, 26,361,678.78 and 11,262,296.28

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Solution

The fourth proportional to 19,101,009.72, 26,361,678.78 and 11,262,296.28 is: 15,543,316.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101,009.72 : 26,361,678.78 = 11,262,296.28 : x
  2. Step 2: Convert to fraction form
    19,101,009.72/26,361,678.78 = 11,262,296.28/x
  3. Step 3: Cross multiply
    19,101,009.72x = 26,361,678.78 × 11,262,296.28
  4. Step 4: Simplify right side
    19,101,009.72x = 296,893,036,858,548.94
  5. Step 5: Solve for x
    x = 296,893,036,858,548.94/19,101,009.72
  6. Step 6: Final answer
    x = 15,543,316.36

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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.