Finding the Fourth Proportional to 10,471,139.68, 15,706,903.92 and 3,282,512.80
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Solution
The fourth proportional to 10,471,139.68, 15,706,903.92 and 3,282,512.80 is: 4,923,830.14
Step by Step Solution
- Step 1: Write the proportion equation
10,471,139.68 : 15,706,903.92 = 3,282,512.80 : x - Step 2: Convert to fraction form
10,471,139.68/15,706,903.92 = 3,282,512.80/x - Step 3: Cross multiply
10,471,139.68x = 15,706,903.92 × 3,282,512.80 - Step 4: Simplify right side
10,471,139.68x = 51,558,113,165,770.17 - Step 5: Solve for x
x = 51,558,113,165,770.17/10,471,139.68 - Step 6: Final answer
x = 4,923,830.14
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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.