Finding the Fourth Proportional to 10,405,929.60, 15,608,894.40 and 10,246,497.30
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Solution
The fourth proportional to 10,405,929.60, 15,608,894.40 and 10,246,497.30 is: 15,369,745.95
Step by Step Solution
- Step 1: Write the proportion equation
10,405,929.60 : 15,608,894.40 = 10,246,497.30 : x - Step 2: Convert to fraction form
10,405,929.60/15,608,894.40 = 10,246,497.30/x - Step 3: Cross multiply
10,405,929.60x = 15,608,894.40 × 10,246,497.30 - Step 4: Simplify right side
10,405,929.60x = 159,936,494,325,585.12 - Step 5: Solve for x
x = 159,936,494,325,585.12/10,405,929.60 - Step 6: Final answer
x = 15,369,745.95
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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.