Finding the Fourth Proportional to 9,947,235.10, 14,920,851.78 and 2,758,768.84
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Solution
The fourth proportional to 9,947,235.10, 14,920,851.78 and 2,758,768.84 is: 4,138,153.02
Step by Step Solution
- Step 1: Write the proportion equation
9,947,235.10 : 14,920,851.78 = 2,758,768.84 : x - Step 2: Convert to fraction form
9,947,235.10/14,920,851.78 = 2,758,768.84/x - Step 3: Cross multiply
9,947,235.10x = 14,920,851.78 × 2,758,768.84 - Step 4: Simplify right side
9,947,235.10x = 41,163,180,956,922.53 - Step 5: Solve for x
x = 41,163,180,956,922.53/9,947,235.10 - Step 6: Final answer
x = 4,138,153.02
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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.