Finding the Fourth Proportional to 10,972,561.77, 15,141,975.30 and 6,077,767.82
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Solution
The fourth proportional to 10,972,561.77, 15,141,975.30 and 6,077,767.82 is: 8,387,230.99
Step by Step Solution
- Step 1: Write the proportion equation
10,972,561.77 : 15,141,975.30 = 6,077,767.82 : x - Step 2: Convert to fraction form
10,972,561.77/15,141,975.30 = 6,077,767.82/x - Step 3: Cross multiply
10,972,561.77x = 15,141,975.30 × 6,077,767.82 - Step 4: Simplify right side
10,972,561.77x = 92,029,410,133,864.98 - Step 5: Solve for x
x = 92,029,410,133,864.98/10,972,561.77 - Step 6: Final answer
x = 8,387,230.99
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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.