Finding the Fourth Proportional to 37,122,549.50, 51,228,489.75 and 20,824,675.58
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Solution
The fourth proportional to 37,122,549.50, 51,228,489.75 and 20,824,675.58 is: 28,737,699.70
Step by Step Solution
- Step 1: Write the proportion equation
37,122,549.50 : 51,228,489.75 = 20,824,675.58 : x - Step 2: Convert to fraction form
37,122,549.50/51,228,489.75 = 20,824,675.58/x - Step 3: Cross multiply
37,122,549.50x = 51,228,489.75 × 20,824,675.58 - Step 4: Simplify right side
37,122,549.50x = 1,066,816,679,497,105.25 - Step 5: Solve for x
x = 1,066,816,679,497,105.25/37,122,549.50 - Step 6: Final answer
x = 28,737,699.70
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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.