Home / 15,054,579.56-20,776,346.88-8,528,262.68

Finding the Fourth Proportional to 15,054,579.56, 20,776,346.88 and 8,528,262.68

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Solution

The fourth proportional to 15,054,579.56, 20,776,346.88 and 8,528,262.68 is: 11,769,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054,579.56 : 20,776,346.88 = 8,528,262.68 : x
  2. Step 2: Convert to fraction form
    15,054,579.56/20,776,346.88 = 8,528,262.68/x
  3. Step 3: Cross multiply
    15,054,579.56x = 20,776,346.88 × 8,528,262.68
  4. Step 4: Simplify right side
    15,054,579.56x = 177,186,143,723,438.44
  5. Step 5: Solve for x
    x = 177,186,143,723,438.44/15,054,579.56
  6. Step 6: Final answer
    x = 11,769,584.33

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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.