Finding the Fourth Proportional to 9,654,541.60, 13,326,763.49 and 6,392,407.28
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Solution
The fourth proportional to 9,654,541.60, 13,326,763.49 and 6,392,407.28 is: 8,823,836.86
Step by Step Solution
- Step 1: Write the proportion equation
9,654,541.60 : 13,326,763.49 = 6,392,407.28 : x - Step 2: Convert to fraction form
9,654,541.60/13,326,763.49 = 6,392,407.28/x - Step 3: Cross multiply
9,654,541.60x = 13,326,763.49 × 6,392,407.28 - Step 4: Simplify right side
9,654,541.60x = 85,190,100,026,091.73 - Step 5: Solve for x
x = 85,190,100,026,091.73/9,654,541.60 - Step 6: Final answer
x = 8,823,836.86
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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.