Finding the Fourth Proportional to 8,769,933.47, 12,102,556.74 and 4,902,617.63
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Solution
The fourth proportional to 8,769,933.47, 12,102,556.74 and 4,902,617.63 is: 6,765,639.47
Step by Step Solution
- Step 1: Write the proportion equation
8,769,933.47 : 12,102,556.74 = 4,902,617.63 : x - Step 2: Convert to fraction form
8,769,933.47/12,102,556.74 = 4,902,617.63/x - Step 3: Cross multiply
8,769,933.47x = 12,102,556.74 × 4,902,617.63 - Step 4: Simplify right side
8,769,933.47x = 59,334,208,041,599.33 - Step 5: Solve for x
x = 59,334,208,041,599.33/8,769,933.47 - Step 6: Final answer
x = 6,765,639.47
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1.5x scale
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.