Finding the Fourth Proportional to 38,510,421.26, 53,136,527.38 and 22,822,530.80
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Solution
The fourth proportional to 38,510,421.26, 53,136,527.38 and 22,822,530.80 is: 31,490,437.99
Step by Step Solution
- Step 1: Write the proportion equation
38,510,421.26 : 53,136,527.38 = 22,822,530.80 : x - Step 2: Convert to fraction form
38,510,421.26/53,136,527.38 = 22,822,530.80/x - Step 3: Cross multiply
38,510,421.26x = 53,136,527.38 × 22,822,530.80 - Step 4: Simplify right side
38,510,421.26x = 1,212,710,032,412,354.50 - Step 5: Solve for x
x = 1,212,710,032,412,354.50/38,510,421.26 - Step 6: Final answer
x = 31,490,437.99
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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.