Finding the Fourth Proportional to 18,548,077.80, 27,822,116.70 and 16,868,461.80
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Solution
The fourth proportional to 18,548,077.80, 27,822,116.70 and 16,868,461.80 is: 25,302,692.70
Step by Step Solution
- Step 1: Write the proportion equation
18,548,077.80 : 27,822,116.70 = 16,868,461.80 : x - Step 2: Convert to fraction form
18,548,077.80/27,822,116.70 = 16,868,461.80/x - Step 3: Cross multiply
18,548,077.80x = 27,822,116.70 × 16,868,461.80 - Step 4: Simplify right side
18,548,077.80x = 469,316,312,749,092.06 - Step 5: Solve for x
x = 469,316,312,749,092.06/18,548,077.80 - Step 6: Final answer
x = 25,302,692.70
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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.