Finding the Fourth Proportional to 38,668,952.64, 53,364,524.04 and 21,266,644.80
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Solution
The fourth proportional to 38,668,952.64, 53,364,524.04 and 21,266,644.80 is: 29,348,722.95
Step by Step Solution
- Step 1: Write the proportion equation
38,668,952.64 : 53,364,524.04 = 21,266,644.80 : x - Step 2: Convert to fraction form
38,668,952.64/53,364,524.04 = 21,266,644.80/x - Step 3: Cross multiply
38,668,952.64x = 53,364,524.04 × 21,266,644.80 - Step 4: Simplify right side
38,668,952.64x = 1,134,884,377,679,741 - Step 5: Solve for x
x = 1,134,884,377,679,741/38,668,952.64 - Step 6: Final answer
x = 29,348,722.95
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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.