Finding the Fourth Proportional to 12,326,701.68, 18,486,132.30 and 4,237,732.26
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Solution
The fourth proportional to 12,326,701.68, 18,486,132.30 and 4,237,732.26 is: 6,355,250.68
Step by Step Solution
- Step 1: Write the proportion equation
12,326,701.68 : 18,486,132.30 = 4,237,732.26 : x - Step 2: Convert to fraction form
12,326,701.68/18,486,132.30 = 4,237,732.26/x - Step 3: Cross multiply
12,326,701.68x = 18,486,132.30 × 4,237,732.26 - Step 4: Simplify right side
12,326,701.68x = 78,339,279,210,338 - Step 5: Solve for x
x = 78,339,279,210,338/12,326,701.68 - Step 6: Final answer
x = 6,355,250.68
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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.