Home / 30,892,499.20-46,338,748.80-7,863,389.20

Finding the Fourth Proportional to 30,892,499.20, 46,338,748.80 and 7,863,389.20

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Solution

The fourth proportional to 30,892,499.20, 46,338,748.80 and 7,863,389.20 is: 11,795,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,892,499.20 : 46,338,748.80 = 7,863,389.20 : x
  2. Step 2: Convert to fraction form
    30,892,499.20/46,338,748.80 = 7,863,389.20/x
  3. Step 3: Cross multiply
    30,892,499.20x = 46,338,748.80 × 7,863,389.20
  4. Step 4: Simplify right side
    30,892,499.20x = 364,379,616,855,432.94
  5. Step 5: Solve for x
    x = 364,379,616,855,432.94/30,892,499.20
  6. Step 6: Final answer
    x = 11,795,083.80

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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.