Finding the Fourth Proportional to 7,766,008.17, 11,649,362.19 and 2,972,454.09
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Solution
The fourth proportional to 7,766,008.17, 11,649,362.19 and 2,972,454.09 is: 4,458,815.07
Step by Step Solution
- Step 1: Write the proportion equation
7,766,008.17 : 11,649,362.19 = 2,972,454.09 : x - Step 2: Convert to fraction form
7,766,008.17/11,649,362.19 = 2,972,454.09/x - Step 3: Cross multiply
7,766,008.17x = 11,649,362.19 × 2,972,454.09 - Step 4: Simplify right side
7,766,008.17x = 34,627,194,287,556.86 - Step 5: Solve for x
x = 34,627,194,287,556.86/7,766,008.17 - Step 6: Final answer
x = 4,458,815.07
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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.