Finding the Fourth Proportional to 12,868,780.68, 19,303,154.72 and 3,284,159.42
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Solution
The fourth proportional to 12,868,780.68, 19,303,154.72 and 3,284,159.42 is: 4,926,234.97
Step by Step Solution
- Step 1: Write the proportion equation
12,868,780.68 : 19,303,154.72 = 3,284,159.42 : x - Step 2: Convert to fraction form
12,868,780.68/19,303,154.72 = 3,284,159.42/x - Step 3: Cross multiply
12,868,780.68x = 19,303,154.72 × 3,284,159.42 - Step 4: Simplify right side
12,868,780.68x = 63,394,637,392,984.66 - Step 5: Solve for x
x = 63,394,637,392,984.66/12,868,780.68 - Step 6: Final answer
x = 4,926,234.97
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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.