Finding the Fourth Proportional to 17,378,927.40, 26,073,056.70 and 15,498,690.60
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Solution
The fourth proportional to 17,378,927.40, 26,073,056.70 and 15,498,690.60 is: 23,252,196.73
Step by Step Solution
- Step 1: Write the proportion equation
17,378,927.40 : 26,073,056.70 = 15,498,690.60 : x - Step 2: Convert to fraction form
17,378,927.40/26,073,056.70 = 15,498,690.60/x - Step 3: Cross multiply
17,378,927.40x = 26,073,056.70 × 15,498,690.60 - Step 4: Simplify right side
17,378,927.40x = 404,098,238,789,557 - Step 5: Solve for x
x = 404,098,238,789,557/17,378,927.40 - Step 6: Final answer
x = 23,252,196.73
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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.