Finding the Fourth Proportional to 11,810,731.68, 16,298,809.92 and 6,378,223.68
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Solution
The fourth proportional to 11,810,731.68, 16,298,809.92 and 6,378,223.68 is: 8,801,948.79
Step by Step Solution
- Step 1: Write the proportion equation
11,810,731.68 : 16,298,809.92 = 6,378,223.68 : x - Step 2: Convert to fraction form
11,810,731.68/16,298,809.92 = 6,378,223.68/x - Step 3: Cross multiply
11,810,731.68x = 16,298,809.92 × 6,378,223.68 - Step 4: Simplify right side
11,810,731.68x = 103,957,455,387,562.91 - Step 5: Solve for x
x = 103,957,455,387,562.91/11,810,731.68 - Step 6: Final answer
x = 8,801,948.79
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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.