Home / 30,045,121.08-45,119,256.75-18,441,629.37

Finding the Fourth Proportional to 30,045,121.08, 45,119,256.75 and 18,441,629.37

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Solution

The fourth proportional to 30,045,121.08, 45,119,256.75 and 18,441,629.37 is: 27,694,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045,121.08 : 45,119,256.75 = 18,441,629.37 : x
  2. Step 2: Convert to fraction form
    30,045,121.08/45,119,256.75 = 18,441,629.37/x
  3. Step 3: Cross multiply
    30,045,121.08x = 45,119,256.75 × 18,441,629.37
  4. Step 4: Simplify right side
    30,045,121.08x = 832,072,610,433,370.75
  5. Step 5: Solve for x
    x = 832,072,610,433,370.75/30,045,121.08
  6. Step 6: Final answer
    x = 27,694,100.76

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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.