Home / 7,166,137.13-9,889,269.23-3,946,873.13

Finding the Fourth Proportional to 7,166,137.13, 9,889,269.23 and 3,946,873.13

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Solution

The fourth proportional to 7,166,137.13, 9,889,269.23 and 3,946,873.13 is: 5,446,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,137.13 : 9,889,269.23 = 3,946,873.13 : x
  2. Step 2: Convert to fraction form
    7,166,137.13/9,889,269.23 = 3,946,873.13/x
  3. Step 3: Cross multiply
    7,166,137.13x = 9,889,269.23 × 3,946,873.13
  4. Step 4: Simplify right side
    7,166,137.13x = 39,031,690,999,222.79
  5. Step 5: Solve for x
    x = 39,031,690,999,222.79/7,166,137.13
  6. Step 6: Final answer
    x = 5,446,684.91

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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.