Finding the Fourth Proportional to 28,641,060.74, 39,523,495.39 and 16,250,887.44
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Solution
The fourth proportional to 28,641,060.74, 39,523,495.39 and 16,250,887.44 is: 22,425,561.70
Step by Step Solution
- Step 1: Write the proportion equation
28,641,060.74 : 39,523,495.39 = 16,250,887.44 : x - Step 2: Convert to fraction form
28,641,060.74/39,523,495.39 = 16,250,887.44/x - Step 3: Cross multiply
28,641,060.74x = 39,523,495.39 × 16,250,887.44 - Step 4: Simplify right side
28,641,060.74x = 642,291,874,777,621.75 - Step 5: Solve for x
x = 642,291,874,777,621.75/28,641,060.74 - Step 6: Final answer
x = 22,425,561.70
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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.