Finding the Fourth Proportional to 12,423,124.44, 17,139,474.72 and 7,193,278.44
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Solution
The fourth proportional to 12,423,124.44, 17,139,474.72 and 7,193,278.44 is: 9,924,155.12
Step by Step Solution
- Step 1: Write the proportion equation
12,423,124.44 : 17,139,474.72 = 7,193,278.44 : x - Step 2: Convert to fraction form
12,423,124.44/17,139,474.72 = 7,193,278.44/x - Step 3: Cross multiply
12,423,124.44x = 17,139,474.72 × 7,193,278.44 - Step 4: Simplify right side
12,423,124.44x = 123,289,013,976,301.03 - Step 5: Solve for x
x = 123,289,013,976,301.03/12,423,124.44 - Step 6: Final answer
x = 9,924,155.12
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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.