Home / 7,166,130-9,889,259.40-3,946,866

Finding the Fourth Proportional to 7,166,130, 9,889,259.40 and 3,946,866

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Solution

The fourth proportional to 7,166,130, 9,889,259.40 and 3,946,866 is: 5,446,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,130 : 9,889,259.40 = 3,946,866 : x
  2. Step 2: Convert to fraction form
    7,166,130/9,889,259.40 = 3,946,866/x
  3. Step 3: Cross multiply
    7,166,130x = 9,889,259.40 × 3,946,866
  4. Step 4: Simplify right side
    7,166,130x = 39,031,581,691,040.40
  5. Step 5: Solve for x
    x = 39,031,581,691,040.40/7,166,130
  6. Step 6: Final answer
    x = 5,446,675.08

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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.