Finding the Fourth Proportional to 48,616,612.40, 72,879,299.40 and 18,344,817.20
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Solution
The fourth proportional to 48,616,612.40, 72,879,299.40 and 18,344,817.20 is: 27,500,012.02
Step by Step Solution
- Step 1: Write the proportion equation
48,616,612.40 : 72,879,299.40 = 18,344,817.20 : x - Step 2: Convert to fraction form
48,616,612.40/72,879,299.40 = 18,344,817.20/x - Step 3: Cross multiply
48,616,612.40x = 72,879,299.40 × 18,344,817.20 - Step 4: Simplify right side
48,616,612.40x = 1,336,957,425,157,069.75 - Step 5: Solve for x
x = 1,336,957,425,157,069.75/48,616,612.40 - Step 6: Final answer
x = 27,500,012.02
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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.