Finding the Fourth Proportional to 19,520,892.80, 29,281,339.20 and 14,482,044.80
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Solution
The fourth proportional to 19,520,892.80, 29,281,339.20 and 14,482,044.80 is: 21,723,067.20
Step by Step Solution
- Step 1: Write the proportion equation
19,520,892.80 : 29,281,339.20 = 14,482,044.80 : x - Step 2: Convert to fraction form
19,520,892.80/29,281,339.20 = 14,482,044.80/x - Step 3: Cross multiply
19,520,892.80x = 29,281,339.20 × 14,482,044.80 - Step 4: Simplify right side
19,520,892.80x = 424,053,666,098,396.19 - Step 5: Solve for x
x = 424,053,666,098,396.19/19,520,892.80 - Step 6: Final answer
x = 21,723,067.20
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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.