Finding the Fourth Proportional to 8,029,217.68, 11,080,332.08 and 4,358,137.12
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Solution
The fourth proportional to 8,029,217.68, 11,080,332.08 and 4,358,137.12 is: 6,014,235.57
Step by Step Solution
- Step 1: Write the proportion equation
8,029,217.68 : 11,080,332.08 = 4,358,137.12 : x - Step 2: Convert to fraction form
8,029,217.68/11,080,332.08 = 4,358,137.12/x - Step 3: Cross multiply
8,029,217.68x = 11,080,332.08 × 4,358,137.12 - Step 4: Simplify right side
8,029,217.68x = 48,289,606,539,774.81 - Step 5: Solve for x
x = 48,289,606,539,774.81/8,029,217.68 - Step 6: Final answer
x = 6,014,235.57
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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.