Finding the Fourth Proportional to 13,789,627.99, 20,684,376.36 and 4,204,974.74
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Solution
The fourth proportional to 13,789,627.99, 20,684,376.36 and 4,204,974.74 is: 6,307,442.09
Step by Step Solution
- Step 1: Write the proportion equation
13,789,627.99 : 20,684,376.36 = 4,204,974.74 : x - Step 2: Convert to fraction form
13,789,627.99/20,684,376.36 = 4,204,974.74/x - Step 3: Cross multiply
13,789,627.99x = 20,684,376.36 × 4,204,974.74 - Step 4: Simplify right side
13,789,627.99x = 86,977,280,003,031.27 - Step 5: Solve for x
x = 86,977,280,003,031.27/13,789,627.99 - Step 6: Final answer
x = 6,307,442.09
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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.