Finding the Fourth Proportional to 10,975,977.36, 15,146,970.60 and 6,081,276.55
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Solution
The fourth proportional to 10,975,977.36, 15,146,970.60 and 6,081,276.55 is: 8,392,229.15
Step by Step Solution
- Step 1: Write the proportion equation
10,975,977.36 : 15,146,970.60 = 6,081,276.55 : x - Step 2: Convert to fraction form
10,975,977.36/15,146,970.60 = 6,081,276.55/x - Step 3: Cross multiply
10,975,977.36x = 15,146,970.60 × 6,081,276.55 - Step 4: Simplify right side
10,975,977.36x = 92,112,917,113,319.42 - Step 5: Solve for x
x = 92,112,917,113,319.42/10,975,977.36 - Step 6: Final answer
x = 8,392,229.15
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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.