Home / 28,745,205.89-43,115,379.84-9,314,020.64

Finding the Fourth Proportional to 28,745,205.89, 43,115,379.84 and 9,314,020.64

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Solution

The fourth proportional to 28,745,205.89, 43,115,379.84 and 9,314,020.64 is: 13,970,243.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,745,205.89 : 43,115,379.84 = 9,314,020.64 : x
  2. Step 2: Convert to fraction form
    28,745,205.89/43,115,379.84 = 9,314,020.64/x
  3. Step 3: Cross multiply
    28,745,205.89x = 43,115,379.84 × 9,314,020.64
  4. Step 4: Simplify right side
    28,745,205.89x = 401,577,537,838,988.38
  5. Step 5: Solve for x
    x = 401,577,537,838,988.38/28,745,205.89
  6. Step 6: Final answer
    x = 13,970,243.92

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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.