Home / 10,978,277.80-16,476,747.90-8,850,764.20

Finding the Fourth Proportional to 10,978,277.80, 16,476,747.90 and 8,850,764.20

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Solution

The fourth proportional to 10,978,277.80, 16,476,747.90 and 8,850,764.20 is: 13,283,669.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,978,277.80 : 16,476,747.90 = 8,850,764.20 : x
  2. Step 2: Convert to fraction form
    10,978,277.80/16,476,747.90 = 8,850,764.20/x
  3. Step 3: Cross multiply
    10,978,277.80x = 16,476,747.90 × 8,850,764.20
  4. Step 4: Simplify right side
    10,978,277.80x = 145,831,810,445,745.16
  5. Step 5: Solve for x
    x = 145,831,810,445,745.16/10,978,277.80
  6. Step 6: Final answer
    x = 13,283,669.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.