Finding the Fourth Proportional to 14,772,269.42, 20,387,461.52 and 12,287,105.99
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Solution
The fourth proportional to 14,772,269.42, 20,387,461.52 and 12,287,105.99 is: 16,957,644.99
Step by Step Solution
- Step 1: Write the proportion equation
14,772,269.42 : 20,387,461.52 = 12,287,105.99 : x - Step 2: Convert to fraction form
14,772,269.42/20,387,461.52 = 12,287,105.99/x - Step 3: Cross multiply
14,772,269.42x = 20,387,461.52 × 12,287,105.99 - Step 4: Simplify right side
14,772,269.42x = 250,502,900,563,286.50 - Step 5: Solve for x
x = 250,502,900,563,286.50/14,772,269.42 - Step 6: Final answer
x = 16,957,644.99
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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.