Home / 15,004,832.04-20,706,688.26-8,129,314.44

Finding the Fourth Proportional to 15,004,832.04, 20,706,688.26 and 8,129,314.44

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Solution

The fourth proportional to 15,004,832.04, 20,706,688.26 and 8,129,314.44 is: 11,218,464.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004,832.04 : 20,706,688.26 = 8,129,314.44 : x
  2. Step 2: Convert to fraction form
    15,004,832.04/20,706,688.26 = 8,129,314.44/x
  3. Step 3: Cross multiply
    15,004,832.04x = 20,706,688.26 × 8,129,314.44
  4. Step 4: Simplify right side
    15,004,832.04x = 168,331,179,876,596.50
  5. Step 5: Solve for x
    x = 168,331,179,876,596.50/15,004,832.04
  6. Step 6: Final answer
    x = 11,218,464.79

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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.