Finding the Fourth Proportional to 11,157,554.12, 16,729,828.16 and 4,326,146.50
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Solution
The fourth proportional to 11,157,554.12, 16,729,828.16 and 4,326,146.50 is: 6,486,698.32
Step by Step Solution
- Step 1: Write the proportion equation
11,157,554.12 : 16,729,828.16 = 4,326,146.50 : x - Step 2: Convert to fraction form
11,157,554.12/16,729,828.16 = 4,326,146.50/x - Step 3: Cross multiply
11,157,554.12x = 16,729,828.16 × 4,326,146.50 - Step 4: Simplify right side
11,157,554.12x = 72,375,687,539,985.44 - Step 5: Solve for x
x = 72,375,687,539,985.44/11,157,554.12 - Step 6: Final answer
x = 6,486,698.32
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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.