Home / 28,810,146.61-43,199,273.04-11,782,776.97

Finding the Fourth Proportional to 28,810,146.61, 43,199,273.04 and 11,782,776.97

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Solution

The fourth proportional to 28,810,146.61, 43,199,273.04 and 11,782,776.97 is: 17,667,643.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,810,146.61 : 43,199,273.04 = 11,782,776.97 : x
  2. Step 2: Convert to fraction form
    28,810,146.61/43,199,273.04 = 11,782,776.97/x
  3. Step 3: Cross multiply
    28,810,146.61x = 43,199,273.04 × 11,782,776.97
  4. Step 4: Simplify right side
    28,810,146.61x = 509,007,399,496,453.94
  5. Step 5: Solve for x
    x = 509,007,399,496,453.94/28,810,146.61
  6. Step 6: Final answer
    x = 17,667,643.50

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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.