Finding the Fourth Proportional to 13,029,780.59, 17,973,626.63 and 8,126,489.97
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Solution
The fourth proportional to 13,029,780.59, 17,973,626.63 and 8,126,489.97 is: 11,209,896.86
Step by Step Solution
- Step 1: Write the proportion equation
13,029,780.59 : 17,973,626.63 = 8,126,489.97 : x - Step 2: Convert to fraction form
13,029,780.59/17,973,626.63 = 8,126,489.97/x - Step 3: Cross multiply
13,029,780.59x = 17,973,626.63 × 8,126,489.97 - Step 4: Simplify right side
13,029,780.59x = 146,062,496,492,587.44 - Step 5: Solve for x
x = 146,062,496,492,587.44/13,029,780.59 - Step 6: Final answer
x = 11,209,896.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.