Finding the Fourth Proportional to 10,602,390.36, 15,903,583.11 and 3,029,356.20
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Solution
The fourth proportional to 10,602,390.36, 15,903,583.11 and 3,029,356.20 is: 4,544,033.61
Step by Step Solution
- Step 1: Write the proportion equation
10,602,390.36 : 15,903,583.11 = 3,029,356.20 : x - Step 2: Convert to fraction form
10,602,390.36/15,903,583.11 = 3,029,356.20/x - Step 3: Cross multiply
10,602,390.36x = 15,903,583.11 × 3,029,356.20 - Step 4: Simplify right side
10,602,390.36x = 48,177,618,096,493.78 - Step 5: Solve for x
x = 48,177,618,096,493.78/10,602,390.36 - Step 6: Final answer
x = 4,544,033.61
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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.