Home / 19,702,216.80-29,503,558.80-12,933,986.40

Finding the Fourth Proportional to 19,702,216.80, 29,503,558.80 and 12,933,986.40

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Solution

The fourth proportional to 19,702,216.80, 29,503,558.80 and 12,933,986.40 is: 19,368,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702,216.80 : 29,503,558.80 = 12,933,986.40 : x
  2. Step 2: Convert to fraction form
    19,702,216.80/29,503,558.80 = 12,933,986.40/x
  3. Step 3: Cross multiply
    19,702,216.80x = 29,503,558.80 × 12,933,986.40
  4. Step 4: Simplify right side
    19,702,216.80x = 381,598,628,270,800.31
  5. Step 5: Solve for x
    x = 381,598,628,270,800.31/19,702,216.80
  6. Step 6: Final answer
    x = 19,368,309.27

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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.