Home / 19,283,562-28,933,453.26-12,003,108.12

Finding the Fourth Proportional to 19,283,562, 28,933,453.26 and 12,003,108.12

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Solution

The fourth proportional to 19,283,562, 28,933,453.26 and 12,003,108.12 is: 18,009,710.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283,562 : 28,933,453.26 = 12,003,108.12 : x
  2. Step 2: Convert to fraction form
    19,283,562/28,933,453.26 = 12,003,108.12/x
  3. Step 3: Cross multiply
    19,283,562x = 28,933,453.26 × 12,003,108.12
  4. Step 4: Simplify right side
    19,283,562x = 347,291,367,764,746.44
  5. Step 5: Solve for x
    x = 347,291,367,764,746.44/19,283,562
  6. Step 6: Final answer
    x = 18,009,710.43

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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.