Finding the Fourth Proportional to 31,730,785.92, 47,596,194.84 and 20,945,566.08
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Solution
The fourth proportional to 31,730,785.92, 47,596,194.84 and 20,945,566.08 is: 31,418,359.66
Step by Step Solution
- Step 1: Write the proportion equation
31,730,785.92 : 47,596,194.84 = 20,945,566.08 : x - Step 2: Convert to fraction form
31,730,785.92/47,596,194.84 = 20,945,566.08/x - Step 3: Cross multiply
31,730,785.92x = 47,596,194.84 × 20,945,566.08 - Step 4: Simplify right side
31,730,785.92x = 996,929,244,177,775 - Step 5: Solve for x
x = 996,929,244,177,775/31,730,785.92 - Step 6: Final answer
x = 31,418,359.66
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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.