Finding the Fourth Proportional to 27,931,638.58, 38,539,884.39 and 16,326,957.31
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Solution
The fourth proportional to 27,931,638.58, 38,539,884.39 and 16,326,957.31 is: 22,527,824.33
Step by Step Solution
- Step 1: Write the proportion equation
27,931,638.58 : 38,539,884.39 = 16,326,957.31 : x - Step 2: Convert to fraction form
27,931,638.58/38,539,884.39 = 16,326,957.31/x - Step 3: Cross multiply
27,931,638.58x = 38,539,884.39 × 16,326,957.31 - Step 4: Simplify right side
27,931,638.58x = 629,239,047,167,865.38 - Step 5: Solve for x
x = 629,239,047,167,865.38/27,931,638.58 - Step 6: Final answer
x = 22,527,824.33
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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.