Finding the Fourth Proportional to 11,071,698.36, 15,278,953.30 and 6,176,921.44
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Solution
The fourth proportional to 11,071,698.36, 15,278,953.30 and 6,176,921.44 is: 8,524,156.92
Step by Step Solution
- Step 1: Write the proportion equation
11,071,698.36 : 15,278,953.30 = 6,176,921.44 : x - Step 2: Convert to fraction form
11,071,698.36/15,278,953.30 = 6,176,921.44/x - Step 3: Cross multiply
11,071,698.36x = 15,278,953.30 × 6,176,921.44 - Step 4: Simplify right side
11,071,698.36x = 94,376,894,219,528.77 - Step 5: Solve for x
x = 94,376,894,219,528.77/11,071,698.36 - Step 6: Final answer
x = 8,524,156.92
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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.