Home / 7,166,431-9,889,674.90-3,947,167

Finding the Fourth Proportional to 7,166,431, 9,889,674.90 and 3,947,167

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Solution

The fourth proportional to 7,166,431, 9,889,674.90 and 3,947,167 is: 5,447,090.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,431 : 9,889,674.90 = 3,947,167 : x
  2. Step 2: Convert to fraction form
    7,166,431/9,889,674.90 = 3,947,167/x
  3. Step 3: Cross multiply
    7,166,431x = 9,889,674.90 × 3,947,167
  4. Step 4: Simplify right side
    7,166,431x = 39,036,198,406,008.30
  5. Step 5: Solve for x
    x = 39,036,198,406,008.30/7,166,431
  6. Step 6: Final answer
    x = 5,447,090.53

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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.