Finding the Fourth Proportional to 18,252,034.20, 27,378,051.30 and 6,892,853.40
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Solution
The fourth proportional to 18,252,034.20, 27,378,051.30 and 6,892,853.40 is: 10,339,280.10
Step by Step Solution
- Step 1: Write the proportion equation
18,252,034.20 : 27,378,051.30 = 6,892,853.40 : x - Step 2: Convert to fraction form
18,252,034.20/27,378,051.30 = 6,892,853.40/x - Step 3: Cross multiply
18,252,034.20x = 27,378,051.30 × 6,892,853.40 - Step 4: Simplify right side
18,252,034.20x = 188,712,893,988,579.44 - Step 5: Solve for x
x = 188,712,893,988,579.44/18,252,034.20 - Step 6: Final answer
x = 10,339,280.10
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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.