Finding the Fourth Proportional to 19,897,641.94, 29,844,748.05 and 12,114,539.14
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Solution
The fourth proportional to 19,897,641.94, 29,844,748.05 and 12,114,539.14 is: 18,170,764.63
Step by Step Solution
- Step 1: Write the proportion equation
19,897,641.94 : 29,844,748.05 = 12,114,539.14 : x - Step 2: Convert to fraction form
19,897,641.94/29,844,748.05 = 12,114,539.14/x - Step 3: Cross multiply
19,897,641.94x = 29,844,748.05 × 12,114,539.14 - Step 4: Simplify right side
19,897,641.94x = 361,555,368,375,163.69 - Step 5: Solve for x
x = 361,555,368,375,163.69/19,897,641.94 - Step 6: Final answer
x = 18,170,764.63
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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.