Home / 7,166,319-9,889,520.40-3,947,055

Finding the Fourth Proportional to 7,166,319, 9,889,520.40 and 3,947,055

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Solution

The fourth proportional to 7,166,319, 9,889,520.40 and 3,947,055 is: 5,446,936.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,319 : 9,889,520.40 = 3,947,055 : x
  2. Step 2: Convert to fraction form
    7,166,319/9,889,520.40 = 3,947,055/x
  3. Step 3: Cross multiply
    7,166,319x = 9,889,520.40 × 3,947,055
  4. Step 4: Simplify right side
    7,166,319x = 39,034,480,942,422
  5. Step 5: Solve for x
    x = 39,034,480,942,422/7,166,319
  6. Step 6: Final answer
    x = 5,446,936.00

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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.