Finding the Fourth Proportional to 11,534,169.60, 15,917,489.28 and 6,307,485.12
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Solution
The fourth proportional to 11,534,169.60, 15,917,489.28 and 6,307,485.12 is: 8,704,512.79
Step by Step Solution
- Step 1: Write the proportion equation
11,534,169.60 : 15,917,489.28 = 6,307,485.12 : x - Step 2: Convert to fraction form
11,534,169.60/15,917,489.28 = 6,307,485.12/x - Step 3: Cross multiply
11,534,169.60x = 15,917,489.28 × 6,307,485.12 - Step 4: Simplify right side
11,534,169.60x = 100,399,326,781,359.52 - Step 5: Solve for x
x = 100,399,326,781,359.52/11,534,169.60 - Step 6: Final answer
x = 8,704,512.79
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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.