Finding the Fourth Proportional to 9,645,364.80, 14,470,734.96 and 7,865,059.44
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Solution
The fourth proportional to 9,645,364.80, 14,470,734.96 and 7,865,059.44 is: 11,799,780.82
Step by Step Solution
- Step 1: Write the proportion equation
9,645,364.80 : 14,470,734.96 = 7,865,059.44 : x - Step 2: Convert to fraction form
9,645,364.80/14,470,734.96 = 7,865,059.44/x - Step 3: Cross multiply
9,645,364.80x = 14,470,734.96 × 7,865,059.44 - Step 4: Simplify right side
9,645,364.80x = 113,813,190,600,886.03 - Step 5: Solve for x
x = 113,813,190,600,886.03/9,645,364.80 - Step 6: Final answer
x = 11,799,780.82
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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.