Finding the Fourth Proportional to 11,539,904.36, 15,841,676.00 and 9,905,474.21
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Solution
The fourth proportional to 11,539,904.36, 15,841,676.00 and 9,905,474.21 is: 13,597,973.44
Step by Step Solution
- Step 1: Write the proportion equation
11,539,904.36 : 15,841,676.00 = 9,905,474.21 : x - Step 2: Convert to fraction form
11,539,904.36/15,841,676.00 = 9,905,474.21/x - Step 3: Cross multiply
11,539,904.36x = 15,841,676.00 × 9,905,474.21 - Step 4: Simplify right side
11,539,904.36x = 156,919,312,951,012.97 - Step 5: Solve for x
x = 156,919,312,951,012.97/11,539,904.36 - Step 6: Final answer
x = 13,597,973.44
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.