Finding the Fourth Proportional to 10,602,447.80, 15,910,232.70 and 4,212,033.80
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Solution
The fourth proportional to 10,602,447.80, 15,910,232.70 and 4,212,033.80 is: 6,320,657.19
Step by Step Solution
- Step 1: Write the proportion equation
10,602,447.80 : 15,910,232.70 = 4,212,033.80 : x - Step 2: Convert to fraction form
10,602,447.80/15,910,232.70 = 4,212,033.80/x - Step 3: Cross multiply
10,602,447.80x = 15,910,232.70 × 4,212,033.80 - Step 4: Simplify right side
10,602,447.80x = 67,014,437,898,265.25 - Step 5: Solve for x
x = 67,014,437,898,265.25/10,602,447.80 - Step 6: Final answer
x = 6,320,657.19
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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.