Finding the Fourth Proportional to 45,881,106.41, 68,797,993.65 and 13,528,805.09
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Solution
The fourth proportional to 45,881,106.41, 68,797,993.65 and 13,528,805.09 is: 20,286,229.32
Step by Step Solution
- Step 1: Write the proportion equation
45,881,106.41 : 68,797,993.65 = 13,528,805.09 : x - Step 2: Convert to fraction form
45,881,106.41/68,797,993.65 = 13,528,805.09/x - Step 3: Cross multiply
45,881,106.41x = 68,797,993.65 × 13,528,805.09 - Step 4: Simplify right side
45,881,106.41x = 930,754,646,279,184.62 - Step 5: Solve for x
x = 930,754,646,279,184.62/45,881,106.41 - Step 6: Final answer
x = 20,286,229.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.