Finding the Fourth Proportional to 10,165,972.60, 15,248,861.70 and 2,489,651.20
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Solution
The fourth proportional to 10,165,972.60, 15,248,861.70 and 2,489,651.20 is: 3,734,453.00
Step by Step Solution
- Step 1: Write the proportion equation
10,165,972.60 : 15,248,861.70 = 2,489,651.20 : x - Step 2: Convert to fraction form
10,165,972.60/15,248,861.70 = 2,489,651.20/x - Step 3: Cross multiply
10,165,972.60x = 15,248,861.70 × 2,489,651.20 - Step 4: Simplify right side
10,165,972.60x = 37,964,346,830,039.04 - Step 5: Solve for x
x = 37,964,346,830,039.04/10,165,972.60 - Step 6: Final answer
x = 3,734,453.00
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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.