Home / 30,783,674.79-42,481,968.20-16,846,240.90

Finding the Fourth Proportional to 30,783,674.79, 42,481,968.20 and 16,846,240.90

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Solution

The fourth proportional to 30,783,674.79, 42,481,968.20 and 16,846,240.90 is: 23,248,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,783,674.79 : 42,481,968.20 = 16,846,240.90 : x
  2. Step 2: Convert to fraction form
    30,783,674.79/42,481,968.20 = 16,846,240.90/x
  3. Step 3: Cross multiply
    30,783,674.79x = 42,481,968.20 × 16,846,240.90
  4. Step 4: Simplify right side
    30,783,674.79x = 715,661,470,203,339.38
  5. Step 5: Solve for x
    x = 715,661,470,203,339.38/30,783,674.79
  6. Step 6: Final answer
    x = 23,248,084.42

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Double scale
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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.