Finding the Fourth Proportional to 27,931,634.07, 38,539,878.19 and 16,326,952.80
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Solution
The fourth proportional to 27,931,634.07, 38,539,878.19 and 16,326,952.80 is: 22,527,818.12
Step by Step Solution
- Step 1: Write the proportion equation
27,931,634.07 : 38,539,878.19 = 16,326,952.80 : x - Step 2: Convert to fraction form
27,931,634.07/38,539,878.19 = 16,326,952.80/x - Step 3: Cross multiply
27,931,634.07x = 38,539,878.19 × 16,326,952.80 - Step 4: Simplify right side
27,931,634.07x = 629,238,772,125,879.38 - Step 5: Solve for x
x = 629,238,772,125,879.38/27,931,634.07 - Step 6: Final answer
x = 22,527,818.12
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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.