Home / 8,129,355.28-11,218,526.22-4,458,297.76

Finding the Fourth Proportional to 8,129,355.28, 11,218,526.22 and 4,458,297.76

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Solution

The fourth proportional to 8,129,355.28, 11,218,526.22 and 4,458,297.76 is: 6,152,459.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,355.28 : 11,218,526.22 = 4,458,297.76 : x
  2. Step 2: Convert to fraction form
    8,129,355.28/11,218,526.22 = 4,458,297.76/x
  3. Step 3: Cross multiply
    8,129,355.28x = 11,218,526.22 × 4,458,297.76
  4. Step 4: Simplify right side
    8,129,355.28x = 50,015,530,317,127.27
  5. Step 5: Solve for x
    x = 50,015,530,317,127.27/8,129,355.28
  6. Step 6: Final answer
    x = 6,152,459.65

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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.