Finding the Fourth Proportional to 12,449,948.58, 18,676,556.19 and 4,875,930.18
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Solution
The fourth proportional to 12,449,948.58, 18,676,556.19 and 4,875,930.18 is: 7,314,534.95
Step by Step Solution
- Step 1: Write the proportion equation
12,449,948.58 : 18,676,556.19 = 4,875,930.18 : x - Step 2: Convert to fraction form
12,449,948.58/18,676,556.19 = 4,875,930.18/x - Step 3: Cross multiply
12,449,948.58x = 18,676,556.19 × 4,875,930.18 - Step 4: Simplify right side
12,449,948.58x = 91,065,583,985,286.81 - Step 5: Solve for x
x = 91,065,583,985,286.81/12,449,948.58 - Step 6: Final answer
x = 7,314,534.95
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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.