Finding the Fourth Proportional to 10,369,862.70, 15,554,794.05 and 3,638,957.10
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Solution
The fourth proportional to 10,369,862.70, 15,554,794.05 and 3,638,957.10 is: 5,458,435.65
Step by Step Solution
- Step 1: Write the proportion equation
10,369,862.70 : 15,554,794.05 = 3,638,957.10 : x - Step 2: Convert to fraction form
10,369,862.70/15,554,794.05 = 3,638,957.10/x - Step 3: Cross multiply
10,369,862.70x = 15,554,794.05 × 3,638,957.10 - Step 4: Simplify right side
10,369,862.70x = 56,603,228,247,285.26 - Step 5: Solve for x
x = 56,603,228,247,285.26/10,369,862.70 - Step 6: Final answer
x = 5,458,435.65
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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.