Finding the Fourth Proportional to 11,173,779.74, 16,772,397.35 and 9,902,520.38
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Solution
The fourth proportional to 11,173,779.74, 16,772,397.35 and 9,902,520.38 is: 14,864,174.02
Step by Step Solution
- Step 1: Write the proportion equation
11,173,779.74 : 16,772,397.35 = 9,902,520.38 : x - Step 2: Convert to fraction form
11,173,779.74/16,772,397.35 = 9,902,520.38/x - Step 3: Cross multiply
11,173,779.74x = 16,772,397.35 × 9,902,520.38 - Step 4: Simplify right side
11,173,779.74x = 166,089,006,446,458.41 - Step 5: Solve for x
x = 166,089,006,446,458.41/11,173,779.74 - Step 6: Final answer
x = 14,864,174.02
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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.