Finding the Fourth Proportional to 19,729,558.74, 29,593,671.06 and 6,949,729.44
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Solution
The fourth proportional to 19,729,558.74, 29,593,671.06 and 6,949,729.44 is: 10,424,359.19
Step by Step Solution
- Step 1: Write the proportion equation
19,729,558.74 : 29,593,671.06 = 6,949,729.44 : x - Step 2: Convert to fraction form
19,729,558.74/29,593,671.06 = 6,949,729.44/x - Step 3: Cross multiply
19,729,558.74x = 29,593,671.06 × 6,949,729.44 - Step 4: Simplify right side
19,729,558.74x = 205,668,007,003,358 - Step 5: Solve for x
x = 205,668,007,003,358/19,729,558.74 - Step 6: Final answer
x = 10,424,359.19
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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.