Finding the Fourth Proportional to 14,953,153.56, 20,635,959.36 and 8,427,058.08
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Solution
The fourth proportional to 14,953,153.56, 20,635,959.36 and 8,427,058.08 is: 11,629,682.49
Step by Step Solution
- Step 1: Write the proportion equation
14,953,153.56 : 20,635,959.36 = 8,427,058.08 : x - Step 2: Convert to fraction form
14,953,153.56/20,635,959.36 = 8,427,058.08/x - Step 3: Cross multiply
14,953,153.56x = 20,635,959.36 × 8,427,058.08 - Step 4: Simplify right side
14,953,153.56x = 173,900,428,063,239.62 - Step 5: Solve for x
x = 173,900,428,063,239.62/14,953,153.56 - Step 6: Final answer
x = 11,629,682.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.