Finding the Fourth Proportional to 19,474,810.94, 29,214,874.14 and 8,112,602.36
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Solution
The fourth proportional to 19,474,810.94, 29,214,874.14 and 8,112,602.36 is: 12,170,010.67
Step by Step Solution
- Step 1: Write the proportion equation
19,474,810.94 : 29,214,874.14 = 8,112,602.36 : x - Step 2: Convert to fraction form
19,474,810.94/29,214,874.14 = 8,112,602.36/x - Step 3: Cross multiply
19,474,810.94x = 29,214,874.14 × 8,112,602.36 - Step 4: Simplify right side
19,474,810.94x = 237,008,656,895,267 - Step 5: Solve for x
x = 237,008,656,895,267/19,474,810.94 - Step 6: Final answer
x = 12,170,010.67
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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.