Finding the Fourth Proportional to 9,916,659.36, 14,882,961.52 and 5,125,752.48
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Solution
The fourth proportional to 9,916,659.36, 14,882,961.52 and 5,125,752.48 is: 7,692,749.56
Step by Step Solution
- Step 1: Write the proportion equation
9,916,659.36 : 14,882,961.52 = 5,125,752.48 : x - Step 2: Convert to fraction form
9,916,659.36/14,882,961.52 = 5,125,752.48/x - Step 3: Cross multiply
9,916,659.36x = 14,882,961.52 × 5,125,752.48 - Step 4: Simplify right side
9,916,659.36x = 76,286,376,920,884.58 - Step 5: Solve for x
x = 76,286,376,920,884.58/9,916,659.36 - Step 6: Final answer
x = 7,692,749.56
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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.