Home / 7,166,130.50-9,889,260.09-3,946,866.50

Finding the Fourth Proportional to 7,166,130.50, 9,889,260.09 and 3,946,866.50

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Solution

The fourth proportional to 7,166,130.50, 9,889,260.09 and 3,946,866.50 is: 5,446,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,130.50 : 9,889,260.09 = 3,946,866.50 : x
  2. Step 2: Convert to fraction form
    7,166,130.50/9,889,260.09 = 3,946,866.50/x
  3. Step 3: Cross multiply
    7,166,130.50x = 9,889,260.09 × 3,946,866.50
  4. Step 4: Simplify right side
    7,166,130.50x = 39,031,589,359,007.98
  5. Step 5: Solve for x
    x = 39,031,589,359,007.98/7,166,130.50
  6. Step 6: Final answer
    x = 5,446,675.77

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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.