Home / 6,886,289.70-10,329,434.55-3,697,643.70

Finding the Fourth Proportional to 6,886,289.70, 10,329,434.55 and 3,697,643.70

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Solution

The fourth proportional to 6,886,289.70, 10,329,434.55 and 3,697,643.70 is: 5,546,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886,289.70 : 10,329,434.55 = 3,697,643.70 : x
  2. Step 2: Convert to fraction form
    6,886,289.70/10,329,434.55 = 3,697,643.70/x
  3. Step 3: Cross multiply
    6,886,289.70x = 10,329,434.55 × 3,697,643.70
  4. Step 4: Simplify right side
    6,886,289.70x = 38,194,568,588,369.84
  5. Step 5: Solve for x
    x = 38,194,568,588,369.84/6,886,289.70
  6. Step 6: Final answer
    x = 5,546,465.55

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Similar ratio
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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.