Home / 30,683,176.35-46,019,741.72-12,486,636.51

Finding the Fourth Proportional to 30,683,176.35, 46,019,741.72 and 12,486,636.51

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Solution

The fourth proportional to 30,683,176.35, 46,019,741.72 and 12,486,636.51 is: 18,727,910.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683,176.35 : 46,019,741.72 = 12,486,636.51 : x
  2. Step 2: Convert to fraction form
    30,683,176.35/46,019,741.72 = 12,486,636.51/x
  3. Step 3: Cross multiply
    30,683,176.35x = 46,019,741.72 × 12,486,636.51
  4. Step 4: Simplify right side
    30,683,176.35x = 574,631,787,079,289
  5. Step 5: Solve for x
    x = 574,631,787,079,289/30,683,176.35
  6. Step 6: Final answer
    x = 18,727,910.71

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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.