Finding the Fourth Proportional to 8,288,486.80, 12,434,411.76 and 2,607,389.80
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Solution
The fourth proportional to 8,288,486.80, 12,434,411.76 and 2,607,389.80 is: 3,911,613.68
Step by Step Solution
- Step 1: Write the proportion equation
8,288,486.80 : 12,434,411.76 = 2,607,389.80 : x - Step 2: Convert to fraction form
8,288,486.80/12,434,411.76 = 2,607,389.80/x - Step 3: Cross multiply
8,288,486.80x = 12,434,411.76 × 2,607,389.80 - Step 4: Simplify right side
8,288,486.80x = 32,421,358,392,024.05 - Step 5: Solve for x
x = 32,421,358,392,024.05/8,288,486.80 - Step 6: Final answer
x = 3,911,613.68
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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.