Home / 13,478,206.07-20,196,736.58-8,002,518.14

Finding the Fourth Proportional to 13,478,206.07, 20,196,736.58 and 8,002,518.14

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Solution

The fourth proportional to 13,478,206.07, 20,196,736.58 and 8,002,518.14 is: 11,991,562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478,206.07 : 20,196,736.58 = 8,002,518.14 : x
  2. Step 2: Convert to fraction form
    13,478,206.07/20,196,736.58 = 8,002,518.14/x
  3. Step 3: Cross multiply
    13,478,206.07x = 20,196,736.58 × 8,002,518.14
  4. Step 4: Simplify right side
    13,478,206.07x = 161,624,750,920,749.69
  5. Step 5: Solve for x
    x = 161,624,750,920,749.69/13,478,206.07
  6. Step 6: Final answer
    x = 11,991,562.54

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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.