Finding the Fourth Proportional to 17,965,537.30, 26,948,305.95 and 7,177,503.70
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Solution
The fourth proportional to 17,965,537.30, 26,948,305.95 and 7,177,503.70 is: 10,766,255.55
Step by Step Solution
- Step 1: Write the proportion equation
17,965,537.30 : 26,948,305.95 = 7,177,503.70 : x - Step 2: Convert to fraction form
17,965,537.30/26,948,305.95 = 7,177,503.70/x - Step 3: Cross multiply
17,965,537.30x = 26,948,305.95 × 7,177,503.70 - Step 4: Simplify right side
17,965,537.30x = 193,421,565,664,857 - Step 5: Solve for x
x = 193,421,565,664,857/17,965,537.30 - Step 6: Final answer
x = 10,766,255.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.