Finding the Fourth Proportional to 7,447,378.01, 11,171,050.60 and 1,982,474.04
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Solution
The fourth proportional to 7,447,378.01, 11,171,050.60 and 1,982,474.04 is: 2,973,706.69
Step by Step Solution
- Step 1: Write the proportion equation
7,447,378.01 : 11,171,050.60 = 1,982,474.04 : x - Step 2: Convert to fraction form
7,447,378.01/11,171,050.60 = 1,982,474.04/x - Step 3: Cross multiply
7,447,378.01x = 11,171,050.60 × 1,982,474.04 - Step 4: Simplify right side
7,447,378.01x = 22,146,317,828,834.96 - Step 5: Solve for x
x = 22,146,317,828,834.96/7,447,378.01 - Step 6: Final answer
x = 2,973,706.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.