Home / 10,728,908.40-16,093,362.60-6,193,945.20

Finding the Fourth Proportional to 10,728,908.40, 16,093,362.60 and 6,193,945.20

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Solution

The fourth proportional to 10,728,908.40, 16,093,362.60 and 6,193,945.20 is: 9,290,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,908.40 : 16,093,362.60 = 6,193,945.20 : x
  2. Step 2: Convert to fraction form
    10,728,908.40/16,093,362.60 = 6,193,945.20/x
  3. Step 3: Cross multiply
    10,728,908.40x = 16,093,362.60 × 6,193,945.20
  4. Step 4: Simplify right side
    10,728,908.40x = 99,681,406,028,129.52
  5. Step 5: Solve for x
    x = 99,681,406,028,129.52/10,728,908.40
  6. Step 6: Final answer
    x = 9,290,917.80

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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.