Finding the Fourth Proportional to 21,806,115.68, 30,092,638.70 and 12,016,911.12
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Solution
The fourth proportional to 21,806,115.68, 30,092,638.70 and 12,016,911.12 is: 16,583,447.04
Step by Step Solution
- Step 1: Write the proportion equation
21,806,115.68 : 30,092,638.70 = 12,016,911.12 : x - Step 2: Convert to fraction form
21,806,115.68/30,092,638.70 = 12,016,911.12/x - Step 3: Cross multiply
21,806,115.68x = 30,092,638.70 × 12,016,911.12 - Step 4: Simplify right side
21,806,115.68x = 361,620,564,624,172.31 - Step 5: Solve for x
x = 361,620,564,624,172.31/21,806,115.68 - Step 6: Final answer
x = 16,583,447.04
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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.