Finding the Fourth Proportional to 7,881,330.30, 11,821,995.45 and 2,833,151.10
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Solution
The fourth proportional to 7,881,330.30, 11,821,995.45 and 2,833,151.10 is: 4,249,726.65
Step by Step Solution
- Step 1: Write the proportion equation
7,881,330.30 : 11,821,995.45 = 2,833,151.10 : x - Step 2: Convert to fraction form
7,881,330.30/11,821,995.45 = 2,833,151.10/x - Step 3: Cross multiply
7,881,330.30x = 11,821,995.45 × 2,833,151.10 - Step 4: Simplify right side
7,881,330.30x = 33,493,499,413,362.49 - Step 5: Solve for x
x = 33,493,499,413,362.49/7,881,330.30 - Step 6: Final answer
x = 4,249,726.65
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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.