Home / 10,983,814.34-16,478,465.75-7,751,662.88

Finding the Fourth Proportional to 10,983,814.34, 16,478,465.75 and 7,751,662.88

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Solution

The fourth proportional to 10,983,814.34, 16,478,465.75 and 7,751,662.88 is: 11,629,431.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983,814.34 : 16,478,465.75 = 7,751,662.88 : x
  2. Step 2: Convert to fraction form
    10,983,814.34/16,478,465.75 = 7,751,662.88/x
  3. Step 3: Cross multiply
    10,983,814.34x = 16,478,465.75 × 7,751,662.88
  4. Step 4: Simplify right side
    10,983,814.34x = 127,735,511,234,868.03
  5. Step 5: Solve for x
    x = 127,735,511,234,868.03/10,983,814.34
  6. Step 6: Final answer
    x = 11,629,431.02

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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.