Finding the Fourth Proportional to 38,246,741, 52,779,161.96 and 20,842,731.08
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Solution
The fourth proportional to 38,246,741, 52,779,161.96 and 20,842,731.08 is: 28,762,238.31
Step by Step Solution
- Step 1: Write the proportion equation
38,246,741 : 52,779,161.96 = 20,842,731.08 : x - Step 2: Convert to fraction form
38,246,741/52,779,161.96 = 20,842,731.08/x - Step 3: Cross multiply
38,246,741x = 52,779,161.96 × 20,842,731.08 - Step 4: Simplify right side
38,246,741x = 1,100,061,879,360,045.62 - Step 5: Solve for x
x = 1,100,061,879,360,045.62/38,246,741 - Step 6: Final answer
x = 28,762,238.31
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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.