Finding the Fourth Proportional to 20,711,989.74, 31,069,230.15 and 6,335,182.08
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Solution
The fourth proportional to 20,711,989.74, 31,069,230.15 and 6,335,182.08 is: 9,503,154.09
Step by Step Solution
- Step 1: Write the proportion equation
20,711,989.74 : 31,069,230.15 = 6,335,182.08 : x - Step 2: Convert to fraction form
20,711,989.74/31,069,230.15 = 6,335,182.08/x - Step 3: Cross multiply
20,711,989.74x = 31,069,230.15 × 6,335,182.08 - Step 4: Simplify right side
20,711,989.74x = 196,829,230,085,675.72 - Step 5: Solve for x
x = 196,829,230,085,675.72/20,711,989.74 - Step 6: Final answer
x = 9,503,154.09
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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.