Finding the Fourth Proportional to 21,908,668.60, 32,865,992.12 and 9,126,183.96
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Solution
The fourth proportional to 21,908,668.60, 32,865,992.12 and 9,126,183.96 is: 13,690,521.12
Step by Step Solution
- Step 1: Write the proportion equation
21,908,668.60 : 32,865,992.12 = 9,126,183.96 : x - Step 2: Convert to fraction form
21,908,668.60/32,865,992.12 = 9,126,183.96/x - Step 3: Cross multiply
21,908,668.60x = 32,865,992.12 × 9,126,183.96 - Step 4: Simplify right side
21,908,668.60x = 299,941,090,115,030.44 - Step 5: Solve for x
x = 299,941,090,115,030.44/21,908,668.60 - Step 6: Final answer
x = 13,690,521.12
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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.