Finding the Fourth Proportional to 10,513,897.53, 14,509,367.54 and 6,166,119.66
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Solution
The fourth proportional to 10,513,897.53, 14,509,367.54 and 6,166,119.66 is: 8,509,355.94
Step by Step Solution
- Step 1: Write the proportion equation
10,513,897.53 : 14,509,367.54 = 6,166,119.66 : x - Step 2: Convert to fraction form
10,513,897.53/14,509,367.54 = 6,166,119.66/x - Step 3: Cross multiply
10,513,897.53x = 14,509,367.54 × 6,166,119.66 - Step 4: Simplify right side
10,513,897.53x = 89,466,496,370,013 - Step 5: Solve for x
x = 89,466,496,370,013/10,513,897.53 - Step 6: Final answer
x = 8,509,355.94
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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.