Finding the Fourth Proportional to 10,782,792, 14,868,122.40 and 8,816,535.36
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Solution
The fourth proportional to 10,782,792, 14,868,122.40 and 8,816,535.36 is: 12,156,900.26
Step by Step Solution
- Step 1: Write the proportion equation
10,782,792 : 14,868,122.40 = 8,816,535.36 : x - Step 2: Convert to fraction form
10,782,792/14,868,122.40 = 8,816,535.36/x - Step 3: Cross multiply
10,782,792x = 14,868,122.40 × 8,816,535.36 - Step 4: Simplify right side
10,782,792x = 131,085,326,876,408.06 - Step 5: Solve for x
x = 131,085,326,876,408.06/10,782,792 - Step 6: Final answer
x = 12,156,900.26
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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.