Finding the Fourth Proportional to 8,268,383.83, 12,402,547.95 and 2,120,358.68
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Solution
The fourth proportional to 8,268,383.83, 12,402,547.95 and 2,120,358.68 is: 3,180,530.89
Step by Step Solution
- Step 1: Write the proportion equation
8,268,383.83 : 12,402,547.95 = 2,120,358.68 : x - Step 2: Convert to fraction form
8,268,383.83/12,402,547.95 = 2,120,358.68/x - Step 3: Cross multiply
8,268,383.83x = 12,402,547.95 × 2,120,358.68 - Step 4: Simplify right side
8,268,383.83x = 26,297,850,199,898.71 - Step 5: Solve for x
x = 26,297,850,199,898.71/8,268,383.83 - Step 6: Final answer
x = 3,180,530.89
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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.