Finding the Fourth Proportional to 19,299,766.29, 26,633,750.16 and 10,479,230.79
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Solution
The fourth proportional to 19,299,766.29, 26,633,750.16 and 10,479,230.79 is: 14,461,377.95
Step by Step Solution
- Step 1: Write the proportion equation
19,299,766.29 : 26,633,750.16 = 10,479,230.79 : x - Step 2: Convert to fraction form
19,299,766.29/26,633,750.16 = 10,479,230.79/x - Step 3: Cross multiply
19,299,766.29x = 26,633,750.16 × 10,479,230.79 - Step 4: Simplify right side
19,299,766.29x = 279,101,214,729,839.41 - Step 5: Solve for x
x = 279,101,214,729,839.41/19,299,766.29 - Step 6: Final answer
x = 14,461,377.95
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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.