Finding the Fourth Proportional to 11,071,031.05, 15,278,029.34 and 6,176,253.03
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Solution
The fourth proportional to 11,071,031.05, 15,278,029.34 and 6,176,253.03 is: 8,523,232.80
Step by Step Solution
- Step 1: Write the proportion equation
11,071,031.05 : 15,278,029.34 = 6,176,253.03 : x - Step 2: Convert to fraction form
11,071,031.05/15,278,029.34 = 6,176,253.03/x - Step 3: Cross multiply
11,071,031.05x = 15,278,029.34 × 6,176,253.03 - Step 4: Simplify right side
11,071,031.05x = 94,360,975,003,603.91 - Step 5: Solve for x
x = 94,360,975,003,603.91/11,071,031.05 - Step 6: Final answer
x = 8,523,232.80
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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.