Home / 18,351,970.40-27,548,950.80-10,783,200.80

Finding the Fourth Proportional to 18,351,970.40, 27,548,950.80 and 10,783,200.80

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Solution

The fourth proportional to 18,351,970.40, 27,548,950.80 and 10,783,200.80 is: 16,187,137.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351,970.40 : 27,548,950.80 = 10,783,200.80 : x
  2. Step 2: Convert to fraction form
    18,351,970.40/27,548,950.80 = 10,783,200.80/x
  3. Step 3: Cross multiply
    18,351,970.40x = 27,548,950.80 × 10,783,200.80
  4. Step 4: Simplify right side
    18,351,970.40x = 297,065,868,305,720.69
  5. Step 5: Solve for x
    x = 297,065,868,305,720.69/18,351,970.40
  6. Step 6: Final answer
    x = 16,187,137.50

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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.