Finding the Fourth Proportional to 47,336,238.63, 70,998,846.48 and 12,790,998.99
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Solution
The fourth proportional to 47,336,238.63, 70,998,846.48 and 12,790,998.99 is: 19,185,009.20
Step by Step Solution
- Step 1: Write the proportion equation
47,336,238.63 : 70,998,846.48 = 12,790,998.99 : x - Step 2: Convert to fraction form
47,336,238.63/70,998,846.48 = 12,790,998.99/x - Step 3: Cross multiply
47,336,238.63x = 70,998,846.48 × 12,790,998.99 - Step 4: Simplify right side
47,336,238.63x = 908,146,173,616,845.12 - Step 5: Solve for x
x = 908,146,173,616,845.12/47,336,238.63 - Step 6: Final answer
x = 19,185,009.20
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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.