Home / 28,545,236.16-39,382,777.44-16,313,380.80

Finding the Fourth Proportional to 28,545,236.16, 39,382,777.44 and 16,313,380.80

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Solution

The fourth proportional to 28,545,236.16, 39,382,777.44 and 16,313,380.80 is: 22,506,951.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,236.16 : 39,382,777.44 = 16,313,380.80 : x
  2. Step 2: Convert to fraction form
    28,545,236.16/39,382,777.44 = 16,313,380.80/x
  3. Step 3: Cross multiply
    28,545,236.16x = 39,382,777.44 × 16,313,380.80
  4. Step 4: Simplify right side
    28,545,236.16x = 642,466,245,340,369.12
  5. Step 5: Solve for x
    x = 642,466,245,340,369.12/28,545,236.16
  6. Step 6: Final answer
    x = 22,506,951.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.