Home / 7,166,418-9,889,656.96-3,947,154

Finding the Fourth Proportional to 7,166,418, 9,889,656.96 and 3,947,154

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Solution

The fourth proportional to 7,166,418, 9,889,656.96 and 3,947,154 is: 5,447,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,418 : 9,889,656.96 = 3,947,154 : x
  2. Step 2: Convert to fraction form
    7,166,418/9,889,656.96 = 3,947,154/x
  3. Step 3: Cross multiply
    7,166,418x = 9,889,656.96 × 3,947,154
  4. Step 4: Simplify right side
    7,166,418x = 39,035,999,028,291.84
  5. Step 5: Solve for x
    x = 39,035,999,028,291.84/7,166,418
  6. Step 6: Final answer
    x = 5,447,072.59

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1.5x scale

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.