Finding the Fourth Proportional to 11,534,179.60, 15,917,503.08 and 6,307,495.12
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Solution
The fourth proportional to 11,534,179.60, 15,917,503.08 and 6,307,495.12 is: 8,704,526.59
Step by Step Solution
- Step 1: Write the proportion equation
11,534,179.60 : 15,917,503.08 = 6,307,495.12 : x - Step 2: Convert to fraction form
11,534,179.60/15,917,503.08 = 6,307,495.12/x - Step 3: Cross multiply
11,534,179.60x = 15,917,503.08 × 6,307,495.12 - Step 4: Simplify right side
11,534,179.60x = 100,399,572,999,684.97 - Step 5: Solve for x
x = 100,399,572,999,684.97/11,534,179.60 - Step 6: Final answer
x = 8,704,526.59
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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.