Home / 28,761,796.80-43,105,953.60-11,703,196.80

Finding the Fourth Proportional to 28,761,796.80, 43,105,953.60 and 11,703,196.80

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Solution

The fourth proportional to 28,761,796.80, 43,105,953.60 and 11,703,196.80 is: 17,539,845.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761,796.80 : 43,105,953.60 = 11,703,196.80 : x
  2. Step 2: Convert to fraction form
    28,761,796.80/43,105,953.60 = 11,703,196.80/x
  3. Step 3: Cross multiply
    28,761,796.80x = 43,105,953.60 × 11,703,196.80
  4. Step 4: Simplify right side
    28,761,796.80x = 504,477,458,232,468.50
  5. Step 5: Solve for x
    x = 504,477,458,232,468.50/28,761,796.80
  6. Step 6: Final answer
    x = 17,539,845.02

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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.