Finding the Fourth Proportional to 13,493,573.18, 20,240,418.80 and 4,271,590.68
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Solution
The fourth proportional to 13,493,573.18, 20,240,418.80 and 4,271,590.68 is: 6,407,404.71
Step by Step Solution
- Step 1: Write the proportion equation
13,493,573.18 : 20,240,418.80 = 4,271,590.68 : x - Step 2: Convert to fraction form
13,493,573.18/20,240,418.80 = 4,271,590.68/x - Step 3: Cross multiply
13,493,573.18x = 20,240,418.80 × 4,271,590.68 - Step 4: Simplify right side
13,493,573.18x = 86,458,784,305,376.78 - Step 5: Solve for x
x = 86,458,784,305,376.78/13,493,573.18 - Step 6: Final answer
x = 6,407,404.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.