Finding the Fourth Proportional to 18,692,694.08, 28,039,026.48 and 5,229,522.08
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Solution
The fourth proportional to 18,692,694.08, 28,039,026.48 and 5,229,522.08 is: 7,844,279.02
Step by Step Solution
- Step 1: Write the proportion equation
18,692,694.08 : 28,039,026.48 = 5,229,522.08 : x - Step 2: Convert to fraction form
18,692,694.08/28,039,026.48 = 5,229,522.08/x - Step 3: Cross multiply
18,692,694.08x = 28,039,026.48 × 5,229,522.08 - Step 4: Simplify right side
18,692,694.08x = 146,630,708,078,864.69 - Step 5: Solve for x
x = 146,630,708,078,864.69/18,692,694.08 - Step 6: Final answer
x = 7,844,279.02
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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.