Finding the Fourth Proportional to 29,123,209.24, 40,190,882.88 and 15,893,240.38
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Solution
The fourth proportional to 29,123,209.24, 40,190,882.88 and 15,893,240.38 is: 21,933,137.84
Step by Step Solution
- Step 1: Write the proportion equation
29,123,209.24 : 40,190,882.88 = 15,893,240.38 : x - Step 2: Convert to fraction form
29,123,209.24/40,190,882.88 = 15,893,240.38/x - Step 3: Cross multiply
29,123,209.24x = 40,190,882.88 × 15,893,240.38 - Step 4: Simplify right side
29,123,209.24x = 638,763,362,696,266.75 - Step 5: Solve for x
x = 638,763,362,696,266.75/29,123,209.24 - Step 6: Final answer
x = 21,933,137.84
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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.