Home / 7,671,636.80-11,519,896.80-5,158,433.60

Finding the Fourth Proportional to 7,671,636.80, 11,519,896.80 and 5,158,433.60

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Solution

The fourth proportional to 7,671,636.80, 11,519,896.80 and 5,158,433.60 is: 7,746,016.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671,636.80 : 11,519,896.80 = 5,158,433.60 : x
  2. Step 2: Convert to fraction form
    7,671,636.80/11,519,896.80 = 5,158,433.60/x
  3. Step 3: Cross multiply
    7,671,636.80x = 11,519,896.80 × 5,158,433.60
  4. Step 4: Simplify right side
    7,671,636.80x = 59,424,622,721,652.48
  5. Step 5: Solve for x
    x = 59,424,622,721,652.48/7,671,636.80
  6. Step 6: Final answer
    x = 7,746,016.17

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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.