Home / 7,166,129-9,889,258.02-3,946,865

Finding the Fourth Proportional to 7,166,129, 9,889,258.02 and 3,946,865

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Solution

The fourth proportional to 7,166,129, 9,889,258.02 and 3,946,865 is: 5,446,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,129 : 9,889,258.02 = 3,946,865 : x
  2. Step 2: Convert to fraction form
    7,166,129/9,889,258.02 = 3,946,865/x
  3. Step 3: Cross multiply
    7,166,129x = 9,889,258.02 × 3,946,865
  4. Step 4: Simplify right side
    7,166,129x = 39,031,566,355,107.30
  5. Step 5: Solve for x
    x = 39,031,566,355,107.30/7,166,129
  6. Step 6: Final answer
    x = 5,446,673.70

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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.