Finding the Fourth Proportional to 28,858,867.25, 39,825,881.15 and 16,468,713.99
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Solution
The fourth proportional to 28,858,867.25, 39,825,881.15 and 16,468,713.99 is: 22,727,193.01
Step by Step Solution
- Step 1: Write the proportion equation
28,858,867.25 : 39,825,881.15 = 16,468,713.99 : x - Step 2: Convert to fraction form
28,858,867.25/39,825,881.15 = 16,468,713.99/x - Step 3: Cross multiply
28,858,867.25x = 39,825,881.15 × 16,468,713.99 - Step 4: Simplify right side
28,858,867.25x = 655,881,045,976,738.75 - Step 5: Solve for x
x = 655,881,045,976,738.75/28,858,867.25 - Step 6: Final answer
x = 22,727,193.01
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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.