Finding the Fourth Proportional to 22,338,130.05, 30,827,935.98 and 16,821,772.47
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Solution
The fourth proportional to 22,338,130.05, 30,827,935.98 and 16,821,772.47 is: 23,215,037.41
Step by Step Solution
- Step 1: Write the proportion equation
22,338,130.05 : 30,827,935.98 = 16,821,772.47 : x - Step 2: Convert to fraction form
22,338,130.05/30,827,935.98 = 16,821,772.47/x - Step 3: Cross multiply
22,338,130.05x = 30,827,935.98 × 16,821,772.47 - Step 4: Simplify right side
22,338,130.05x = 518,580,524,775,286.44 - Step 5: Solve for x
x = 518,580,524,775,286.44/22,338,130.05 - Step 6: Final answer
x = 23,215,037.41
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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.