Home / 30,537,379.89-42,140,515.68-16,786,245.60

Finding the Fourth Proportional to 30,537,379.89, 42,140,515.68 and 16,786,245.60

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Solution

The fourth proportional to 30,537,379.89, 42,140,515.68 and 16,786,245.60 is: 23,164,431.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,537,379.89 : 42,140,515.68 = 16,786,245.60 : x
  2. Step 2: Convert to fraction form
    30,537,379.89/42,140,515.68 = 16,786,245.60/x
  3. Step 3: Cross multiply
    30,537,379.89x = 42,140,515.68 × 16,786,245.60
  4. Step 4: Simplify right side
    30,537,379.89x = 707,381,045,915,131.12
  5. Step 5: Solve for x
    x = 707,381,045,915,131.12/30,537,379.89
  6. Step 6: Final answer
    x = 23,164,431.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.