Home / 30,500,375.76-45,759,419.76-12,295,176.48

Finding the Fourth Proportional to 30,500,375.76, 45,759,419.76 and 12,295,176.48

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Solution

The fourth proportional to 30,500,375.76, 45,759,419.76 and 12,295,176.48 is: 18,446,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,500,375.76 : 45,759,419.76 = 12,295,176.48 : x
  2. Step 2: Convert to fraction form
    30,500,375.76/45,759,419.76 = 12,295,176.48/x
  3. Step 3: Cross multiply
    30,500,375.76x = 45,759,419.76 × 12,295,176.48
  4. Step 4: Simplify right side
    30,500,375.76x = 562,620,141,571,599.25
  5. Step 5: Solve for x
    x = 562,620,141,571,599.25/30,500,375.76
  6. Step 6: Final answer
    x = 18,446,334.76

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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.