Finding the Fourth Proportional to 9,129,514.46, 12,598,575.99 and 5,055,045.98
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Solution
The fourth proportional to 9,129,514.46, 12,598,575.99 and 5,055,045.98 is: 6,975,878.20
Step by Step Solution
- Step 1: Write the proportion equation
9,129,514.46 : 12,598,575.99 = 5,055,045.98 : x - Step 2: Convert to fraction form
9,129,514.46/12,598,575.99 = 5,055,045.98/x - Step 3: Cross multiply
9,129,514.46x = 12,598,575.99 × 5,055,045.98 - Step 4: Simplify right side
9,129,514.46x = 63,686,380,911,974.02 - Step 5: Solve for x
x = 63,686,380,911,974.02/9,129,514.46 - Step 6: Final answer
x = 6,975,878.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.