Finding the Fourth Proportional to 7,406,972.34, 11,104,479.48 and 6,809,101.26
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Solution
The fourth proportional to 7,406,972.34, 11,104,479.48 and 6,809,101.26 is: 10,208,155.47
Step by Step Solution
- Step 1: Write the proportion equation
7,406,972.34 : 11,104,479.48 = 6,809,101.26 : x - Step 2: Convert to fraction form
7,406,972.34/11,104,479.48 = 6,809,101.26/x - Step 3: Cross multiply
7,406,972.34x = 11,104,479.48 × 6,809,101.26 - Step 4: Simplify right side
7,406,972.34x = 75,611,525,218,912.14 - Step 5: Solve for x
x = 75,611,525,218,912.14/7,406,972.34 - Step 6: Final answer
x = 10,208,155.47
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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.