Finding the Fourth Proportional to 16,321,533.26, 22,523,715.36 and 8,979,208.47
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Solution
The fourth proportional to 16,321,533.26, 22,523,715.36 and 8,979,208.47 is: 12,391,307.40
Step by Step Solution
- Step 1: Write the proportion equation
16,321,533.26 : 22,523,715.36 = 8,979,208.47 : x - Step 2: Convert to fraction form
16,321,533.26/22,523,715.36 = 8,979,208.47/x - Step 3: Cross multiply
16,321,533.26x = 22,523,715.36 × 8,979,208.47 - Step 4: Simplify right side
16,321,533.26x = 202,245,135,736,381.09 - Step 5: Solve for x
x = 202,245,135,736,381.09/16,321,533.26 - Step 6: Final answer
x = 12,391,307.40
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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.