Home / 7,166,925-9,890,356.50-3,947,661

Finding the Fourth Proportional to 7,166,925, 9,890,356.50 and 3,947,661

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Solution

The fourth proportional to 7,166,925, 9,890,356.50 and 3,947,661 is: 5,447,772.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,925 : 9,890,356.50 = 3,947,661 : x
  2. Step 2: Convert to fraction form
    7,166,925/9,890,356.50 = 3,947,661/x
  3. Step 3: Cross multiply
    7,166,925x = 9,890,356.50 × 3,947,661
  4. Step 4: Simplify right side
    7,166,925x = 39,043,774,631,146.50
  5. Step 5: Solve for x
    x = 39,043,774,631,146.50/7,166,925
  6. Step 6: Final answer
    x = 5,447,772.18

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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.