Finding the Fourth Proportional to 19,894,451.63, 29,841,675.80 and 5,517,519.26
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Solution
The fourth proportional to 19,894,451.63, 29,841,675.80 and 5,517,519.26 is: 8,276,278.43
Step by Step Solution
- Step 1: Write the proportion equation
19,894,451.63 : 29,841,675.80 = 5,517,519.26 : x - Step 2: Convert to fraction form
19,894,451.63/29,841,675.80 = 5,517,519.26/x - Step 3: Cross multiply
19,894,451.63x = 29,841,675.80 × 5,517,519.26 - Step 4: Simplify right side
19,894,451.63x = 164,652,020,800,379.94 - Step 5: Solve for x
x = 164,652,020,800,379.94/19,894,451.63 - Step 6: Final answer
x = 8,276,278.43
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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.