Home / 13,384,825.70-18,470,873.34-7,424,050.55

Finding the Fourth Proportional to 13,384,825.70, 18,470,873.34 and 7,424,050.55

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Solution

The fourth proportional to 13,384,825.70, 18,470,873.34 and 7,424,050.55 is: 10,245,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384,825.70 : 18,470,873.34 = 7,424,050.55 : x
  2. Step 2: Convert to fraction form
    13,384,825.70/18,470,873.34 = 7,424,050.55/x
  3. Step 3: Cross multiply
    13,384,825.70x = 18,470,873.34 × 7,424,050.55
  4. Step 4: Simplify right side
    13,384,825.70x = 137,128,697,286,452.97
  5. Step 5: Solve for x
    x = 137,128,697,286,452.97/13,384,825.70
  6. Step 6: Final answer
    x = 10,245,086.52

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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.