Finding the Fourth Proportional to 19,474,796.21, 29,214,851.99 and 8,112,587.63
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Solution
The fourth proportional to 19,474,796.21, 29,214,851.99 and 8,112,587.63 is: 12,169,988.54
Step by Step Solution
- Step 1: Write the proportion equation
19,474,796.21 : 29,214,851.99 = 8,112,587.63 : x - Step 2: Convert to fraction form
19,474,796.21/29,214,851.99 = 8,112,587.63/x - Step 3: Cross multiply
19,474,796.21x = 29,214,851.99 × 8,112,587.63 - Step 4: Simplify right side
19,474,796.21x = 237,008,046,679,717.69 - Step 5: Solve for x
x = 237,008,046,679,717.69/19,474,796.21 - Step 6: Final answer
x = 12,169,988.54
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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.