Home / 7,166,927-9,890,359.26-3,947,663

Finding the Fourth Proportional to 7,166,927, 9,890,359.26 and 3,947,663

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Solution

The fourth proportional to 7,166,927, 9,890,359.26 and 3,947,663 is: 5,447,774.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,927 : 9,890,359.26 = 3,947,663 : x
  2. Step 2: Convert to fraction form
    7,166,927/9,890,359.26 = 3,947,663/x
  3. Step 3: Cross multiply
    7,166,927x = 9,890,359.26 × 3,947,663
  4. Step 4: Simplify right side
    7,166,927x = 39,043,805,307,409.38
  5. Step 5: Solve for x
    x = 39,043,805,307,409.38/7,166,927
  6. Step 6: Final answer
    x = 5,447,774.94

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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.