Home / 31,054,118.97-42,854,854.14-18,009,112.26

Finding the Fourth Proportional to 31,054,118.97, 42,854,854.14 and 18,009,112.26

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Solution

The fourth proportional to 31,054,118.97, 42,854,854.14 and 18,009,112.26 is: 24,852,673.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,054,118.97 : 42,854,854.14 = 18,009,112.26 : x
  2. Step 2: Convert to fraction form
    31,054,118.97/42,854,854.14 = 18,009,112.26/x
  3. Step 3: Cross multiply
    31,054,118.97x = 42,854,854.14 × 18,009,112.26
  4. Step 4: Simplify right side
    31,054,118.97x = 771,777,879,093,185.88
  5. Step 5: Solve for x
    x = 771,777,879,093,185.88/31,054,118.97
  6. Step 6: Final answer
    x = 24,852,673.48

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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.