Finding the Fourth Proportional to 11,520,333.99, 15,898,543.59 and 6,625,559.42
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Solution
The fourth proportional to 11,520,333.99, 15,898,543.59 and 6,625,559.42 is: 9,143,549.59
Step by Step Solution
- Step 1: Write the proportion equation
11,520,333.99 : 15,898,543.59 = 6,625,559.42 : x - Step 2: Convert to fraction form
11,520,333.99/15,898,543.59 = 6,625,559.42/x - Step 3: Cross multiply
11,520,333.99x = 15,898,543.59 × 6,625,559.42 - Step 4: Simplify right side
11,520,333.99x = 105,336,745,167,512.41 - Step 5: Solve for x
x = 105,336,745,167,512.41/11,520,333.99 - Step 6: Final answer
x = 9,143,549.59
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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.