Finding the Fourth Proportional to 11,678,877.84, 16,117,312.41 and 6,717,311.25
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Solution
The fourth proportional to 11,678,877.84, 16,117,312.41 and 6,717,311.25 is: 9,270,154.67
Step by Step Solution
- Step 1: Write the proportion equation
11,678,877.84 : 16,117,312.41 = 6,717,311.25 : x - Step 2: Convert to fraction form
11,678,877.84/16,117,312.41 = 6,717,311.25/x - Step 3: Cross multiply
11,678,877.84x = 16,117,312.41 × 6,717,311.25 - Step 4: Simplify right side
11,678,877.84x = 108,265,003,971,457.61 - Step 5: Solve for x
x = 108,265,003,971,457.61/11,678,877.84 - Step 6: Final answer
x = 9,270,154.67
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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.