Finding the Fourth Proportional to 20,413,827, 28,170,750.96 and 11,121,508.08
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Solution
The fourth proportional to 20,413,827, 28,170,750.96 and 11,121,508.08 is: 15,347,501.20
Step by Step Solution
- Step 1: Write the proportion equation
20,413,827 : 28,170,750.96 = 11,121,508.08 : x - Step 2: Convert to fraction form
20,413,827/28,170,750.96 = 11,121,508.08/x - Step 3: Cross multiply
20,413,827x = 28,170,750.96 × 11,121,508.08 - Step 4: Simplify right side
20,413,827x = 313,301,234,421,307.75 - Step 5: Solve for x
x = 313,301,234,421,307.75/20,413,827 - Step 6: Final answer
x = 15,347,501.20
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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.