Finding the Fourth Proportional to 19,644,880.68, 29,467,113.66 and 7,677,513
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Solution
The fourth proportional to 19,644,880.68, 29,467,113.66 and 7,677,513 is: 11,516,188.46
Step by Step Solution
- Step 1: Write the proportion equation
19,644,880.68 : 29,467,113.66 = 7,677,513 : x - Step 2: Convert to fraction form
19,644,880.68/29,467,113.66 = 7,677,513/x - Step 3: Cross multiply
19,644,880.68x = 29,467,113.66 × 7,677,513 - Step 4: Simplify right side
19,644,880.68x = 226,234,148,197,127.59 - Step 5: Solve for x
x = 226,234,148,197,127.59/19,644,880.68 - Step 6: Final answer
x = 11,516,188.46
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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.