Home / 19,149,999.80-28,724,999.70-9,072,303.80

Finding the Fourth Proportional to 19,149,999.80, 28,724,999.70 and 9,072,303.80

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Solution

The fourth proportional to 19,149,999.80, 28,724,999.70 and 9,072,303.80 is: 13,608,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149,999.80 : 28,724,999.70 = 9,072,303.80 : x
  2. Step 2: Convert to fraction form
    19,149,999.80/28,724,999.70 = 9,072,303.80/x
  3. Step 3: Cross multiply
    19,149,999.80x = 28,724,999.70 × 9,072,303.80
  4. Step 4: Simplify right side
    19,149,999.80x = 260,601,923,933,308.88
  5. Step 5: Solve for x
    x = 260,601,923,933,308.88/19,149,999.80
  6. Step 6: Final answer
    x = 13,608,455.70

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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.