Finding the Fourth Proportional to 12,772,856.16, 19,162,334.70 and 4,253,266.44
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Solution
The fourth proportional to 12,772,856.16, 19,162,334.70 and 4,253,266.44 is: 6,380,915.44
Step by Step Solution
- Step 1: Write the proportion equation
12,772,856.16 : 19,162,334.70 = 4,253,266.44 : x - Step 2: Convert to fraction form
12,772,856.16/19,162,334.70 = 4,253,266.44/x - Step 3: Cross multiply
12,772,856.16x = 19,162,334.70 × 4,253,266.44 - Step 4: Simplify right side
12,772,856.16x = 81,502,515,091,557.47 - Step 5: Solve for x
x = 81,502,515,091,557.47/12,772,856.16 - Step 6: Final answer
x = 6,380,915.44
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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.