Finding the Fourth Proportional to 11,696,420.04, 16,136,117.11 and 7,830,186.77
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Solution
The fourth proportional to 11,696,420.04, 16,136,117.11 and 7,830,186.77 is: 10,802,348.94
Step by Step Solution
- Step 1: Write the proportion equation
11,696,420.04 : 16,136,117.11 = 7,830,186.77 : x - Step 2: Convert to fraction form
11,696,420.04/16,136,117.11 = 7,830,186.77/x - Step 3: Cross multiply
11,696,420.04x = 16,136,117.11 × 7,830,186.77 - Step 4: Simplify right side
11,696,420.04x = 126,348,810,594,061.11 - Step 5: Solve for x
x = 126,348,810,594,061.11/11,696,420.04 - Step 6: Final answer
x = 10,802,348.94
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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.