Home / 18,830,027.67-28,245,041.51-5,366,505.75

Finding the Fourth Proportional to 18,830,027.67, 28,245,041.51 and 5,366,505.75

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Solution

The fourth proportional to 18,830,027.67, 28,245,041.51 and 5,366,505.75 is: 8,049,758.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830,027.67 : 28,245,041.51 = 5,366,505.75 : x
  2. Step 2: Convert to fraction form
    18,830,027.67/28,245,041.51 = 5,366,505.75/x
  3. Step 3: Cross multiply
    18,830,027.67x = 28,245,041.51 × 5,366,505.75
  4. Step 4: Simplify right side
    18,830,027.67x = 151,577,177,672,403.69
  5. Step 5: Solve for x
    x = 151,577,177,672,403.69/18,830,027.67
  6. Step 6: Final answer
    x = 8,049,758.63

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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.