Finding the Fourth Proportional to 15,393,030.96, 23,097,513.60 and 11,168,070.96
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Solution
The fourth proportional to 15,393,030.96, 23,097,513.60 and 11,168,070.96 is: 16,757,886.84
Step by Step Solution
- Step 1: Write the proportion equation
15,393,030.96 : 23,097,513.60 = 11,168,070.96 : x - Step 2: Convert to fraction form
15,393,030.96/23,097,513.60 = 11,168,070.96/x - Step 3: Cross multiply
15,393,030.96x = 23,097,513.60 × 11,168,070.96 - Step 4: Simplify right side
15,393,030.96x = 257,954,670,884,365.09 - Step 5: Solve for x
x = 257,954,670,884,365.09/15,393,030.96 - Step 6: Final answer
x = 16,757,886.84
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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.