Home / 11,166,543.90-16,749,815.85-3,978,312.30

Finding the Fourth Proportional to 11,166,543.90, 16,749,815.85 and 3,978,312.30

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Solution

The fourth proportional to 11,166,543.90, 16,749,815.85 and 3,978,312.30 is: 5,967,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166,543.90 : 16,749,815.85 = 3,978,312.30 : x
  2. Step 2: Convert to fraction form
    11,166,543.90/16,749,815.85 = 3,978,312.30/x
  3. Step 3: Cross multiply
    11,166,543.90x = 16,749,815.85 × 3,978,312.30
  4. Step 4: Simplify right side
    11,166,543.90x = 66,635,998,418,789.95
  5. Step 5: Solve for x
    x = 66,635,998,418,789.95/11,166,543.90
  6. Step 6: Final answer
    x = 5,967,468.45

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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.