Home / 30,800,511.45-46,200,767.18-18,683,656.65

Finding the Fourth Proportional to 30,800,511.45, 46,200,767.18 and 18,683,656.65

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Solution

The fourth proportional to 30,800,511.45, 46,200,767.18 and 18,683,656.65 is: 28,025,484.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,800,511.45 : 46,200,767.18 = 18,683,656.65 : x
  2. Step 2: Convert to fraction form
    30,800,511.45/46,200,767.18 = 18,683,656.65/x
  3. Step 3: Cross multiply
    30,800,511.45x = 46,200,767.18 × 18,683,656.65
  4. Step 4: Simplify right side
    30,800,511.45x = 863,199,270,864,290.38
  5. Step 5: Solve for x
    x = 863,199,270,864,290.38/30,800,511.45
  6. Step 6: Final answer
    x = 28,025,484.98

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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.