Home / 30,316,568.26-45,475,049.32-12,122,291.96

Finding the Fourth Proportional to 30,316,568.26, 45,475,049.32 and 12,122,291.96

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Solution

The fourth proportional to 30,316,568.26, 45,475,049.32 and 12,122,291.96 is: 18,183,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316,568.26 : 45,475,049.32 = 12,122,291.96 : x
  2. Step 2: Convert to fraction form
    30,316,568.26/45,475,049.32 = 12,122,291.96/x
  3. Step 3: Cross multiply
    30,316,568.26x = 45,475,049.32 × 12,122,291.96
  4. Step 4: Simplify right side
    30,316,568.26x = 551,261,824,752,439.50
  5. Step 5: Solve for x
    x = 551,261,824,752,439.50/30,316,568.26
  6. Step 6: Final answer
    x = 18,183,516.68

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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.