Finding the Fourth Proportional to 12,407,525.10, 18,625,284.45 and 7,361,678.70
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Solution
The fourth proportional to 12,407,525.10, 18,625,284.45 and 7,361,678.70 is: 11,050,822.68
Step by Step Solution
- Step 1: Write the proportion equation
12,407,525.10 : 18,625,284.45 = 7,361,678.70 : x - Step 2: Convert to fraction form
12,407,525.10/18,625,284.45 = 7,361,678.70/x - Step 3: Cross multiply
12,407,525.10x = 18,625,284.45 × 7,361,678.70 - Step 4: Simplify right side
12,407,525.10x = 137,113,359,817,006.22 - Step 5: Solve for x
x = 137,113,359,817,006.22/12,407,525.10 - Step 6: Final answer
x = 11,050,822.68
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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.