Finding the Fourth Proportional to 22,959,105.99, 31,683,564.49 and 12,645,829.08
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Solution
The fourth proportional to 22,959,105.99, 31,683,564.49 and 12,645,829.08 is: 17,451,243.15
Step by Step Solution
- Step 1: Write the proportion equation
22,959,105.99 : 31,683,564.49 = 12,645,829.08 : x - Step 2: Convert to fraction form
22,959,105.99/31,683,564.49 = 12,645,829.08/x - Step 3: Cross multiply
22,959,105.99x = 31,683,564.49 × 12,645,829.08 - Step 4: Simplify right side
22,959,105.99x = 400,664,941,122,468.19 - Step 5: Solve for x
x = 400,664,941,122,468.19/22,959,105.99 - Step 6: Final answer
x = 17,451,243.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.