Finding the Fourth Proportional to 10,965,219.90, 15,133,587.05 and 6,318,115.24
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Solution
The fourth proportional to 10,965,219.90, 15,133,587.05 and 6,318,115.24 is: 8,719,911.49
Step by Step Solution
- Step 1: Write the proportion equation
10,965,219.90 : 15,133,587.05 = 6,318,115.24 : x - Step 2: Convert to fraction form
10,965,219.90/15,133,587.05 = 6,318,115.24/x - Step 3: Cross multiply
10,965,219.90x = 15,133,587.05 × 6,318,115.24 - Step 4: Simplify right side
10,965,219.90x = 95,615,746,976,471.66 - Step 5: Solve for x
x = 95,615,746,976,471.66/10,965,219.90 - Step 6: Final answer
x = 8,719,911.49
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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.