Finding the Fourth Proportional to 19,729,564.85, 29,593,680.24 and 6,949,735.58
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Solution
The fourth proportional to 19,729,564.85, 29,593,680.24 and 6,949,735.58 is: 10,424,368.41
Step by Step Solution
- Step 1: Write the proportion equation
19,729,564.85 : 29,593,680.24 = 6,949,735.58 : x - Step 2: Convert to fraction form
19,729,564.85/29,593,680.24 = 6,949,735.58/x - Step 3: Cross multiply
19,729,564.85x = 29,593,680.24 × 6,949,735.58 - Step 4: Simplify right side
19,729,564.85x = 205,668,252,507,070.94 - Step 5: Solve for x
x = 205,668,252,507,070.94/19,729,564.85 - Step 6: Final answer
x = 10,424,368.41
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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.