Home / 7,210,835.40-10,816,253.10-6,392,022.60

Finding the Fourth Proportional to 7,210,835.40, 10,816,253.10 and 6,392,022.60

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Solution

The fourth proportional to 7,210,835.40, 10,816,253.10 and 6,392,022.60 is: 9,588,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,835.40 : 10,816,253.10 = 6,392,022.60 : x
  2. Step 2: Convert to fraction form
    7,210,835.40/10,816,253.10 = 6,392,022.60/x
  3. Step 3: Cross multiply
    7,210,835.40x = 10,816,253.10 × 6,392,022.60
  4. Step 4: Simplify right side
    7,210,835.40x = 69,137,734,262,520.05
  5. Step 5: Solve for x
    x = 69,137,734,262,520.05/7,210,835.40
  6. Step 6: Final answer
    x = 9,588,033.90

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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.