Home / 19,286,479.54-28,934,137.66-8,358,503.46

Finding the Fourth Proportional to 19,286,479.54, 28,934,137.66 and 8,358,503.46

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Solution

The fourth proportional to 19,286,479.54, 28,934,137.66 and 8,358,503.46 is: 12,539,670.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286,479.54 : 28,934,137.66 = 8,358,503.46 : x
  2. Step 2: Convert to fraction form
    19,286,479.54/28,934,137.66 = 8,358,503.46/x
  3. Step 3: Cross multiply
    19,286,479.54x = 28,934,137.66 × 8,358,503.46
  4. Step 4: Simplify right side
    19,286,479.54x = 241,846,089,743,226.31
  5. Step 5: Solve for x
    x = 241,846,089,743,226.31/19,286,479.54
  6. Step 6: Final answer
    x = 12,539,670.04

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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.