Finding the Fourth Proportional to 25,692,861.12, 38,539,320.84 and 8,652,107.04
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Solution
The fourth proportional to 25,692,861.12, 38,539,320.84 and 8,652,107.04 is: 12,978,170.38
Step by Step Solution
- Step 1: Write the proportion equation
25,692,861.12 : 38,539,320.84 = 8,652,107.04 : x - Step 2: Convert to fraction form
25,692,861.12/38,539,320.84 = 8,652,107.04/x - Step 3: Cross multiply
25,692,861.12x = 38,539,320.84 × 8,652,107.04 - Step 4: Simplify right side
25,692,861.12x = 333,446,329,156,582.69 - Step 5: Solve for x
x = 333,446,329,156,582.69/25,692,861.12 - Step 6: Final answer
x = 12,978,170.38
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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.