Finding the Fourth Proportional to 16,422,777.63, 22,663,910.42 and 8,980,877.12
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Solution
The fourth proportional to 16,422,777.63, 22,663,910.42 and 8,980,877.12 is: 12,393,871.42
Step by Step Solution
- Step 1: Write the proportion equation
16,422,777.63 : 22,663,910.42 = 8,980,877.12 : x - Step 2: Convert to fraction form
16,422,777.63/22,663,910.42 = 8,980,877.12/x - Step 3: Cross multiply
16,422,777.63x = 22,663,910.42 × 8,980,877.12 - Step 4: Simplify right side
16,422,777.63x = 203,541,794,382,483.66 - Step 5: Solve for x
x = 203,541,794,382,483.66/16,422,777.63 - Step 6: Final answer
x = 12,393,871.42
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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.