Finding the Fourth Proportional to 14,739,390.96, 20,340,153.74 and 8,213,295.48
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Solution
The fourth proportional to 14,739,390.96, 20,340,153.74 and 8,213,295.48 is: 11,334,233.09
Step by Step Solution
- Step 1: Write the proportion equation
14,739,390.96 : 20,340,153.74 = 8,213,295.48 : x - Step 2: Convert to fraction form
14,739,390.96/20,340,153.74 = 8,213,295.48/x - Step 3: Cross multiply
14,739,390.96x = 20,340,153.74 × 8,213,295.48 - Step 4: Simplify right side
14,739,390.96x = 167,059,692,775,247.09 - Step 5: Solve for x
x = 167,059,692,775,247.09/14,739,390.96 - Step 6: Final answer
x = 11,334,233.09
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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.