Home / 28,763,139.80-43,107,968.10-11,704,539.80

Finding the Fourth Proportional to 28,763,139.80, 43,107,968.10 and 11,704,539.80

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Solution

The fourth proportional to 28,763,139.80, 43,107,968.10 and 11,704,539.80 is: 17,541,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763,139.80 : 43,107,968.10 = 11,704,539.80 : x
  2. Step 2: Convert to fraction form
    28,763,139.80/43,107,968.10 = 11,704,539.80/x
  3. Step 3: Cross multiply
    28,763,139.80x = 43,107,968.10 × 11,704,539.80
  4. Step 4: Simplify right side
    28,763,139.80x = 504,558,928,323,580.44
  5. Step 5: Solve for x
    x = 504,558,928,323,580.44/28,763,139.80
  6. Step 6: Final answer
    x = 17,541,858.50

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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.