Finding the Fourth Proportional to 13,651,289.84, 20,476,990.84 and 3,416,121.74
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Solution
The fourth proportional to 13,651,289.84, 20,476,990.84 and 3,416,121.74 is: 5,124,196.64
Step by Step Solution
- Step 1: Write the proportion equation
13,651,289.84 : 20,476,990.84 = 3,416,121.74 : x - Step 2: Convert to fraction form
13,651,289.84/20,476,990.84 = 3,416,121.74/x - Step 3: Cross multiply
13,651,289.84x = 20,476,990.84 × 3,416,121.74 - Step 4: Simplify right side
13,651,289.84x = 69,951,893,578,304.87 - Step 5: Solve for x
x = 69,951,893,578,304.87/13,651,289.84 - Step 6: Final answer
x = 5,124,196.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.