Home / 27,831,983.40-38,408,415.30-15,608,577.96

Finding the Fourth Proportional to 27,831,983.40, 38,408,415.30 and 15,608,577.96

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Solution

The fourth proportional to 27,831,983.40, 38,408,415.30 and 15,608,577.96 is: 21,539,993.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,831,983.40 : 38,408,415.30 = 15,608,577.96 : x
  2. Step 2: Convert to fraction form
    27,831,983.40/38,408,415.30 = 15,608,577.96/x
  3. Step 3: Cross multiply
    27,831,983.40x = 38,408,415.30 × 15,608,577.96
  4. Step 4: Simplify right side
    27,831,983.40x = 599,500,744,530,106.75
  5. Step 5: Solve for x
    x = 599,500,744,530,106.75/27,831,983.40
  6. Step 6: Final answer
    x = 21,539,993.61

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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.