Finding the Fourth Proportional to 11,329,908.48, 15,635,076.48 and 6,173,312.40
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Solution
The fourth proportional to 11,329,908.48, 15,635,076.48 and 6,173,312.40 is: 8,519,063.65
Step by Step Solution
- Step 1: Write the proportion equation
11,329,908.48 : 15,635,076.48 = 6,173,312.40 : x - Step 2: Convert to fraction form
11,329,908.48/15,635,076.48 = 6,173,312.40/x - Step 3: Cross multiply
11,329,908.48x = 15,635,076.48 × 6,173,312.40 - Step 4: Simplify right side
11,329,908.48x = 96,520,211,508,932.36 - Step 5: Solve for x
x = 96,520,211,508,932.36/11,329,908.48 - Step 6: Final answer
x = 8,519,063.65
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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.