Home / 22,625,556.10-31,238,888.44-21,180,036.58

Finding the Fourth Proportional to 22,625,556.10, 31,238,888.44 and 21,180,036.58

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Solution

The fourth proportional to 22,625,556.10, 31,238,888.44 and 21,180,036.58 is: 29,243,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,625,556.10 : 31,238,888.44 = 21,180,036.58 : x
  2. Step 2: Convert to fraction form
    22,625,556.10/31,238,888.44 = 21,180,036.58/x
  3. Step 3: Cross multiply
    22,625,556.10x = 31,238,888.44 × 21,180,036.58
  4. Step 4: Simplify right side
    22,625,556.10x = 661,640,799,877,739.12
  5. Step 5: Solve for x
    x = 661,640,799,877,739.12/22,625,556.10
  6. Step 6: Final answer
    x = 29,243,073.49

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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.