Finding the Fourth Proportional to 19,895,446.19, 29,843,167.32 and 5,518,514.58
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Solution
The fourth proportional to 19,895,446.19, 29,843,167.32 and 5,518,514.58 is: 8,277,771.33
Step by Step Solution
- Step 1: Write the proportion equation
19,895,446.19 : 29,843,167.32 = 5,518,514.58 : x - Step 2: Convert to fraction form
19,895,446.19/29,843,167.32 = 5,518,514.58/x - Step 3: Cross multiply
19,895,446.19x = 29,843,167.32 × 5,518,514.58 - Step 4: Simplify right side
19,895,446.19x = 164,689,953,968,799.53 - Step 5: Solve for x
x = 164,689,953,968,799.53/19,895,446.19 - Step 6: Final answer
x = 8,277,771.33
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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.