Finding the Fourth Proportional to 27,793,367.46, 38,356,376.58 and 15,403,203
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Solution
The fourth proportional to 27,793,367.46, 38,356,376.58 and 15,403,203 is: 21,257,267.79
Step by Step Solution
- Step 1: Write the proportion equation
27,793,367.46 : 38,356,376.58 = 15,403,203 : x - Step 2: Convert to fraction form
27,793,367.46/38,356,376.58 = 15,403,203/x - Step 3: Cross multiply
27,793,367.46x = 38,356,376.58 × 15,403,203 - Step 4: Simplify right side
27,793,367.46x = 590,811,054,806,185.75 - Step 5: Solve for x
x = 590,811,054,806,185.75/27,793,367.46 - Step 6: Final answer
x = 21,257,267.79
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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.