Home / 13,548,835.76-18,697,671.26-7,668,469.84

Finding the Fourth Proportional to 13,548,835.76, 18,697,671.26 and 7,668,469.84

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Solution

The fourth proportional to 13,548,835.76, 18,697,671.26 and 7,668,469.84 is: 10,582,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548,835.76 : 18,697,671.26 = 7,668,469.84 : x
  2. Step 2: Convert to fraction form
    13,548,835.76/18,697,671.26 = 7,668,469.84/x
  3. Step 3: Cross multiply
    13,548,835.76x = 18,697,671.26 × 7,668,469.84
  4. Step 4: Simplify right side
    13,548,835.76x = 143,382,528,135,544.81
  5. Step 5: Solve for x
    x = 143,382,528,135,544.81/13,548,835.76
  6. Step 6: Final answer
    x = 10,582,645.67

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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.