Finding the Fourth Proportional to 29,394,702.09, 40,564,846.64 and 16,164,732.20
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Solution
The fourth proportional to 29,394,702.09, 40,564,846.64 and 16,164,732.20 is: 22,307,417.18
Step by Step Solution
- Step 1: Write the proportion equation
29,394,702.09 : 40,564,846.64 = 16,164,732.20 : x - Step 2: Convert to fraction form
29,394,702.09/40,564,846.64 = 16,164,732.20/x - Step 3: Cross multiply
29,394,702.09x = 40,564,846.64 × 16,164,732.20 - Step 4: Simplify right side
29,394,702.09x = 655,719,882,507,257.38 - Step 5: Solve for x
x = 655,719,882,507,257.38/29,394,702.09 - Step 6: Final answer
x = 22,307,417.18
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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.