Finding the Fourth Proportional to 19,830,788.50, 29,747,549.24 and 8,304,650.62
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Solution
The fourth proportional to 19,830,788.50, 29,747,549.24 and 8,304,650.62 is: 12,457,548.18
Step by Step Solution
- Step 1: Write the proportion equation
19,830,788.50 : 29,747,549.24 = 8,304,650.62 : x - Step 2: Convert to fraction form
19,830,788.50/29,747,549.24 = 8,304,650.62/x - Step 3: Cross multiply
19,830,788.50x = 29,747,549.24 × 8,304,650.62 - Step 4: Simplify right side
19,830,788.50x = 247,043,003,239,446.53 - Step 5: Solve for x
x = 247,043,003,239,446.53/19,830,788.50 - Step 6: Final answer
x = 12,457,548.18
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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.