Finding the Fourth Proportional to 11,497,660.40, 17,246,490.60 and 9,787,863.80
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Solution
The fourth proportional to 11,497,660.40, 17,246,490.60 and 9,787,863.80 is: 14,681,795.70
Step by Step Solution
- Step 1: Write the proportion equation
11,497,660.40 : 17,246,490.60 = 9,787,863.80 : x - Step 2: Convert to fraction form
11,497,660.40/17,246,490.60 = 9,787,863.80/x - Step 3: Cross multiply
11,497,660.40x = 17,246,490.60 × 9,787,863.80 - Step 4: Simplify right side
11,497,660.40x = 168,806,301,020,780.31 - Step 5: Solve for x
x = 168,806,301,020,780.31/11,497,660.40 - Step 6: Final answer
x = 14,681,795.70
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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.