Home / 12,135,171.83-16,746,423.91-6,628,544.57

Finding the Fourth Proportional to 12,135,171.83, 16,746,423.91 and 6,628,544.57

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Solution

The fourth proportional to 12,135,171.83, 16,746,423.91 and 6,628,544.57 is: 9,147,329.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135,171.83 : 16,746,423.91 = 6,628,544.57 : x
  2. Step 2: Convert to fraction form
    12,135,171.83/16,746,423.91 = 6,628,544.57/x
  3. Step 3: Cross multiply
    12,135,171.83x = 16,746,423.91 × 6,628,544.57
  4. Step 4: Simplify right side
    12,135,171.83x = 111,004,417,300,843.38
  5. Step 5: Solve for x
    x = 111,004,417,300,843.38/12,135,171.83
  6. Step 6: Final answer
    x = 9,147,329.67

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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.