Finding the Fourth Proportional to 18,157,051.34, 27,235,699.62 and 6,637,779.82
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Solution
The fourth proportional to 18,157,051.34, 27,235,699.62 and 6,637,779.82 is: 9,956,714.55
Step by Step Solution
- Step 1: Write the proportion equation
18,157,051.34 : 27,235,699.62 = 6,637,779.82 : x - Step 2: Convert to fraction form
18,157,051.34/27,235,699.62 = 6,637,779.82/x - Step 3: Cross multiply
18,157,051.34x = 27,235,699.62 × 6,637,779.82 - Step 4: Simplify right side
18,157,051.34x = 180,784,577,321,217.69 - Step 5: Solve for x
x = 180,784,577,321,217.69/18,157,051.34 - Step 6: Final answer
x = 9,956,714.55
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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.