Finding the Fourth Proportional to 20,711,995.74, 31,069,239.15 and 6,335,188.08
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Solution
The fourth proportional to 20,711,995.74, 31,069,239.15 and 6,335,188.08 is: 9,503,163.09
Step by Step Solution
- Step 1: Write the proportion equation
20,711,995.74 : 31,069,239.15 = 6,335,188.08 : x - Step 2: Convert to fraction form
20,711,995.74/31,069,239.15 = 6,335,188.08/x - Step 3: Cross multiply
20,711,995.74x = 31,069,239.15 × 6,335,188.08 - Step 4: Simplify right side
20,711,995.74x = 196,829,473,517,749.31 - Step 5: Solve for x
x = 196,829,473,517,749.31/20,711,995.74 - Step 6: Final answer
x = 9,503,163.09
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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.