Home / 30,632,311.68-42,273,475.92-16,882,161.60

Finding the Fourth Proportional to 30,632,311.68, 42,273,475.92 and 16,882,161.60

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Solution

The fourth proportional to 30,632,311.68, 42,273,475.92 and 16,882,161.60 is: 23,297,871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,632,311.68 : 42,273,475.92 = 16,882,161.60 : x
  2. Step 2: Convert to fraction form
    30,632,311.68/42,273,475.92 = 16,882,161.60/x
  3. Step 3: Cross multiply
    30,632,311.68x = 42,273,475.92 × 16,882,161.60
  4. Step 4: Simplify right side
    30,632,311.68x = 713,667,651,875,148.75
  5. Step 5: Solve for x
    x = 713,667,651,875,148.75/30,632,311.68
  6. Step 6: Final answer
    x = 23,297,871.19

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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.