Finding the Fourth Proportional to 10,775,202.48, 14,870,127.29 and 6,128,868.13
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Solution
The fourth proportional to 10,775,202.48, 14,870,127.29 and 6,128,868.13 is: 8,458,035.88
Step by Step Solution
- Step 1: Write the proportion equation
10,775,202.48 : 14,870,127.29 = 6,128,868.13 : x - Step 2: Convert to fraction form
10,775,202.48/14,870,127.29 = 6,128,868.13/x - Step 3: Cross multiply
10,775,202.48x = 14,870,127.29 × 6,128,868.13 - Step 4: Simplify right side
10,775,202.48x = 91,137,049,168,904.61 - Step 5: Solve for x
x = 91,137,049,168,904.61/10,775,202.48 - Step 6: Final answer
x = 8,458,035.88
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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.