Home / 19,530,947.80-29,296,421.70-18,535,619.80

Finding the Fourth Proportional to 19,530,947.80, 29,296,421.70 and 18,535,619.80

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Solution

The fourth proportional to 19,530,947.80, 29,296,421.70 and 18,535,619.80 is: 27,803,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530,947.80 : 29,296,421.70 = 18,535,619.80 : x
  2. Step 2: Convert to fraction form
    19,530,947.80/29,296,421.70 = 18,535,619.80/x
  3. Step 3: Cross multiply
    19,530,947.80x = 29,296,421.70 × 18,535,619.80
  4. Step 4: Simplify right side
    19,530,947.80x = 543,027,334,131,669.69
  5. Step 5: Solve for x
    x = 543,027,334,131,669.69/19,530,947.80
  6. Step 6: Final answer
    x = 27,803,429.70

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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.