Finding the Fourth Proportional to 7,160,232.02, 9,881,120.24 and 3,897,070.49
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Solution
The fourth proportional to 7,160,232.02, 9,881,120.24 and 3,897,070.49 is: 5,377,957.30
Step by Step Solution
- Step 1: Write the proportion equation
7,160,232.02 : 9,881,120.24 = 3,897,070.49 : x - Step 2: Convert to fraction form
7,160,232.02/9,881,120.24 = 3,897,070.49/x - Step 3: Cross multiply
7,160,232.02x = 9,881,120.24 × 3,897,070.49 - Step 4: Simplify right side
7,160,232.02x = 38,507,422,066,643.30 - Step 5: Solve for x
x = 38,507,422,066,643.30/7,160,232.02 - Step 6: Final answer
x = 5,377,957.30
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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.