Home / 29,442,804.78-40,628,220.75-21,712,009.26

Finding the Fourth Proportional to 29,442,804.78, 40,628,220.75 and 21,712,009.26

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Solution

The fourth proportional to 29,442,804.78, 40,628,220.75 and 21,712,009.26 is: 29,960,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,442,804.78 : 40,628,220.75 = 21,712,009.26 : x
  2. Step 2: Convert to fraction form
    29,442,804.78/40,628,220.75 = 21,712,009.26/x
  3. Step 3: Cross multiply
    29,442,804.78x = 40,628,220.75 × 21,712,009.26
  4. Step 4: Simplify right side
    29,442,804.78x = 882,120,305,141,324.25
  5. Step 5: Solve for x
    x = 882,120,305,141,324.25/29,442,804.78
  6. Step 6: Final answer
    x = 29,960,471.22

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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.