Finding the Fourth Proportional to 18,690,295.87, 28,035,256.92 and 5,910,802.75
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Solution
The fourth proportional to 18,690,295.87, 28,035,256.92 and 5,910,802.75 is: 8,866,145.02
Step by Step Solution
- Step 1: Write the proportion equation
18,690,295.87 : 28,035,256.92 = 5,910,802.75 : x - Step 2: Convert to fraction form
18,690,295.87/28,035,256.92 = 5,910,802.75/x - Step 3: Cross multiply
18,690,295.87x = 28,035,256.92 × 5,910,802.75 - Step 4: Simplify right side
18,690,295.87x = 165,710,873,699,692.53 - Step 5: Solve for x
x = 165,710,873,699,692.53/18,690,295.87 - Step 6: Final answer
x = 8,866,145.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.