Finding the Fourth Proportional to 18,436,031.70, 27,654,047.55 and 18,436,031.70
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Solution
The fourth proportional to 18,436,031.70, 27,654,047.55 and 18,436,031.70 is: 27,654,047.55
Step by Step Solution
- Step 1: Write the proportion equation
18,436,031.70 : 27,654,047.55 = 18,436,031.70 : x - Step 2: Convert to fraction form
18,436,031.70/27,654,047.55 = 18,436,031.70/x - Step 3: Cross multiply
18,436,031.70x = 27,654,047.55 × 18,436,031.70 - Step 4: Simplify right side
18,436,031.70x = 509,830,897,265,107.31 - Step 5: Solve for x
x = 509,830,897,265,107.31/18,436,031.70 - Step 6: Final answer
x = 27,654,047.55
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1.5x scale
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.