Finding the Fourth Proportional to 12,436,825.28, 18,655,905.36 and 3,917,828.48
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Solution
The fourth proportional to 12,436,825.28, 18,655,905.36 and 3,917,828.48 is: 5,876,952.98
Step by Step Solution
- Step 1: Write the proportion equation
12,436,825.28 : 18,655,905.36 = 3,917,828.48 : x - Step 2: Convert to fraction form
12,436,825.28/18,655,905.36 = 3,917,828.48/x - Step 3: Cross multiply
12,436,825.28x = 18,655,905.36 × 3,917,828.48 - Step 4: Simplify right side
12,436,825.28x = 73,090,637,339,592.66 - Step 5: Solve for x
x = 73,090,637,339,592.66/12,436,825.28 - Step 6: Final answer
x = 5,876,952.98
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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.