Finding the Fourth Proportional to 13,317,120.20, 19,976,566.03 and 4,680,176.06
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Solution
The fourth proportional to 13,317,120.20, 19,976,566.03 and 4,680,176.06 is: 7,020,575.37
Step by Step Solution
- Step 1: Write the proportion equation
13,317,120.20 : 19,976,566.03 = 4,680,176.06 : x - Step 2: Convert to fraction form
13,317,120.20/19,976,566.03 = 4,680,176.06/x - Step 3: Cross multiply
13,317,120.20x = 19,976,566.03 × 4,680,176.06 - Step 4: Simplify right side
13,317,120.20x = 93,493,845,983,031.97 - Step 5: Solve for x
x = 93,493,845,983,031.97/13,317,120.20 - Step 6: Final answer
x = 7,020,575.37
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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.