Finding the Fourth Proportional to 21,450,909.30, 32,133,282.03 and 9,920,214.42
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Solution
The fourth proportional to 21,450,909.30, 32,133,282.03 and 9,920,214.42 is: 14,860,397.91
Step by Step Solution
- Step 1: Write the proportion equation
21,450,909.30 : 32,133,282.03 = 9,920,214.42 : x - Step 2: Convert to fraction form
21,450,909.30/32,133,282.03 = 9,920,214.42/x - Step 3: Cross multiply
21,450,909.30x = 32,133,282.03 × 9,920,214.42 - Step 4: Simplify right side
21,450,909.30x = 318,769,047,755,932.88 - Step 5: Solve for x
x = 318,769,047,755,932.88/21,450,909.30 - Step 6: Final answer
x = 14,860,397.91
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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.