Finding the Fourth Proportional to 19,393,315.74, 29,070,339.81 and 12,574,206
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Solution
The fourth proportional to 19,393,315.74, 29,070,339.81 and 12,574,206 is: 18,848,578.87
Step by Step Solution
- Step 1: Write the proportion equation
19,393,315.74 : 29,070,339.81 = 12,574,206 : x - Step 2: Convert to fraction form
19,393,315.74/29,070,339.81 = 12,574,206/x - Step 3: Cross multiply
19,393,315.74x = 29,070,339.81 × 12,574,206 - Step 4: Simplify right side
19,393,315.74x = 365,536,441,260,940.81 - Step 5: Solve for x
x = 365,536,441,260,940.81/19,393,315.74 - Step 6: Final answer
x = 18,848,578.87
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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.