Finding the Fourth Proportional to 18,482,449.79, 27,717,778.60 and 6,348,987.43
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Solution
The fourth proportional to 18,482,449.79, 27,717,778.60 and 6,348,987.43 is: 9,521,455.75
Step by Step Solution
- Step 1: Write the proportion equation
18,482,449.79 : 27,717,778.60 = 6,348,987.43 : x - Step 2: Convert to fraction form
18,482,449.79/27,717,778.60 = 6,348,987.43/x - Step 3: Cross multiply
18,482,449.79x = 27,717,778.60 × 6,348,987.43 - Step 4: Simplify right side
18,482,449.79x = 175,979,827,833,756.09 - Step 5: Solve for x
x = 175,979,827,833,756.09/18,482,449.79 - Step 6: Final answer
x = 9,521,455.75
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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.