Finding the Fourth Proportional to 10,543,110.05, 14,557,031.71 and 8,222,595.09
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Solution
The fourth proportional to 10,543,110.05, 14,557,031.71 and 8,222,595.09 is: 11,353,061.55
Step by Step Solution
- Step 1: Write the proportion equation
10,543,110.05 : 14,557,031.71 = 8,222,595.09 : x - Step 2: Convert to fraction form
10,543,110.05/14,557,031.71 = 8,222,595.09/x - Step 3: Cross multiply
10,543,110.05x = 14,557,031.71 × 8,222,595.09 - Step 4: Simplify right side
10,543,110.05x = 119,696,577,388,474.94 - Step 5: Solve for x
x = 119,696,577,388,474.94/10,543,110.05 - Step 6: Final answer
x = 11,353,061.55
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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.