Finding the Fourth Proportional to 29,027,138.01, 40,057,438.68 and 15,974,396.88
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Solution
The fourth proportional to 29,027,138.01, 40,057,438.68 and 15,974,396.88 is: 22,044,661.21
Step by Step Solution
- Step 1: Write the proportion equation
29,027,138.01 : 40,057,438.68 = 15,974,396.88 : x - Step 2: Convert to fraction form
29,027,138.01/40,057,438.68 = 15,974,396.88/x - Step 3: Cross multiply
29,027,138.01x = 40,057,438.68 × 15,974,396.88 - Step 4: Simplify right side
29,027,138.01x = 639,893,423,470,583.38 - Step 5: Solve for x
x = 639,893,423,470,583.38/29,027,138.01 - Step 6: Final answer
x = 22,044,661.21
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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.