Home / 7,133,271.21-10,685,735.05-3,930,453.45

Finding the Fourth Proportional to 7,133,271.21, 10,685,735.05 and 3,930,453.45

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Solution

The fourth proportional to 7,133,271.21, 10,685,735.05 and 3,930,453.45 is: 5,887,871.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133,271.21 : 10,685,735.05 = 3,930,453.45 : x
  2. Step 2: Convert to fraction form
    7,133,271.21/10,685,735.05 = 3,930,453.45/x
  3. Step 3: Cross multiply
    7,133,271.21x = 10,685,735.05 × 3,930,453.45
  4. Step 4: Simplify right side
    7,133,271.21x = 41,999,784,189,527.39
  5. Step 5: Solve for x
    x = 41,999,784,189,527.39/7,133,271.21
  6. Step 6: Final answer
    x = 5,887,871.49

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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.