Finding the Fourth Proportional to 11,758,518.48, 16,226,207.28 and 6,531,865.50
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Solution
The fourth proportional to 11,758,518.48, 16,226,207.28 and 6,531,865.50 is: 9,013,669.85
Step by Step Solution
- Step 1: Write the proportion equation
11,758,518.48 : 16,226,207.28 = 6,531,865.50 : x - Step 2: Convert to fraction form
11,758,518.48/16,226,207.28 = 6,531,865.50/x - Step 3: Cross multiply
11,758,518.48x = 16,226,207.28 × 6,531,865.50 - Step 4: Simplify right side
11,758,518.48x = 105,987,403,528,080.83 - Step 5: Solve for x
x = 105,987,403,528,080.83/11,758,518.48 - Step 6: Final answer
x = 9,013,669.85
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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.