Finding the Fourth Proportional to 7,247,992.18, 10,002,235.62 and 3,984,862.42
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Solution
The fourth proportional to 7,247,992.18, 10,002,235.62 and 3,984,862.42 is: 5,499,113.66
Step by Step Solution
- Step 1: Write the proportion equation
7,247,992.18 : 10,002,235.62 = 3,984,862.42 : x - Step 2: Convert to fraction form
7,247,992.18/10,002,235.62 = 3,984,862.42/x - Step 3: Cross multiply
7,247,992.18x = 10,002,235.62 × 3,984,862.42 - Step 4: Simplify right side
7,247,992.18x = 39,857,532,838,123.40 - Step 5: Solve for x
x = 39,857,532,838,123.40/7,247,992.18 - Step 6: Final answer
x = 5,499,113.66
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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.