Finding the Fourth Proportional to 28,685,625.12, 43,028,348.40 and 8,991,252
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Solution
The fourth proportional to 28,685,625.12, 43,028,348.40 and 8,991,252 is: 13,486,850.02
Step by Step Solution
- Step 1: Write the proportion equation
28,685,625.12 : 43,028,348.40 = 8,991,252 : x - Step 2: Convert to fraction form
28,685,625.12/43,028,348.40 = 8,991,252/x - Step 3: Cross multiply
28,685,625.12x = 43,028,348.40 × 8,991,252 - Step 4: Simplify right side
28,685,625.12x = 386,878,723,608,196.81 - Step 5: Solve for x
x = 386,878,723,608,196.81/28,685,625.12 - Step 6: Final answer
x = 13,486,850.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.