Home / 18,782,777.80-28,174,166.70-9,216,839.80

Finding the Fourth Proportional to 18,782,777.80, 28,174,166.70 and 9,216,839.80

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Solution

The fourth proportional to 18,782,777.80, 28,174,166.70 and 9,216,839.80 is: 13,825,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782,777.80 : 28,174,166.70 = 9,216,839.80 : x
  2. Step 2: Convert to fraction form
    18,782,777.80/28,174,166.70 = 9,216,839.80/x
  3. Step 3: Cross multiply
    18,782,777.80x = 28,174,166.70 × 9,216,839.80
  4. Step 4: Simplify right side
    18,782,777.80x = 259,676,780,972,394.69
  5. Step 5: Solve for x
    x = 259,676,780,972,394.69/18,782,777.80
  6. Step 6: Final answer
    x = 13,825,259.70

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1.5x scale

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.