Home / 5,487,211.63-8,229,072.90-5,128,986.29

Finding the Fourth Proportional to 5,487,211.63, 8,229,072.90 and 5,128,986.29

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Solution

The fourth proportional to 5,487,211.63, 8,229,072.90 and 5,128,986.29 is: 7,691,848.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487,211.63 : 8,229,072.90 = 5,128,986.29 : x
  2. Step 2: Convert to fraction form
    5,487,211.63/8,229,072.90 = 5,128,986.29/x
  3. Step 3: Cross multiply
    5,487,211.63x = 8,229,072.90 × 5,128,986.29
  4. Step 4: Simplify right side
    5,487,211.63x = 42,206,802,083,510.55
  5. Step 5: Solve for x
    x = 42,206,802,083,510.55/5,487,211.63
  6. Step 6: Final answer
    x = 7,691,848.78

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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.