Home / 15,178,543.58-20,946,556.33-8,303,025.71

Finding the Fourth Proportional to 15,178,543.58, 20,946,556.33 and 8,303,025.71

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Solution

The fourth proportional to 15,178,543.58, 20,946,556.33 and 8,303,025.71 is: 11,458,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178,543.58 : 20,946,556.33 = 8,303,025.71 : x
  2. Step 2: Convert to fraction form
    15,178,543.58/20,946,556.33 = 8,303,025.71/x
  3. Step 3: Cross multiply
    15,178,543.58x = 20,946,556.33 × 8,303,025.71
  4. Step 4: Simplify right side
    15,178,543.58x = 173,919,795,743,953.22
  5. Step 5: Solve for x
    x = 173,919,795,743,953.22/15,178,543.58
  6. Step 6: Final answer
    x = 11,458,266.39

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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.