Finding the Fourth Proportional to 27,866,684.08, 38,456,499.27 and 15,308,268.13
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Solution
The fourth proportional to 27,866,684.08, 38,456,499.27 and 15,308,268.13 is: 21,125,671.09
Step by Step Solution
- Step 1: Write the proportion equation
27,866,684.08 : 38,456,499.27 = 15,308,268.13 : x - Step 2: Convert to fraction form
27,866,684.08/38,456,499.27 = 15,308,268.13/x - Step 3: Cross multiply
27,866,684.08x = 38,456,499.27 × 15,308,268.13 - Step 4: Simplify right side
27,866,684.08x = 588,702,402,166,309.38 - Step 5: Solve for x
x = 588,702,402,166,309.38/27,866,684.08 - Step 6: Final answer
x = 21,125,671.09
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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.