Finding the Fourth Proportional to 17,098,516.40, 25,591,787.40 and 13,291,386.80
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Solution
The fourth proportional to 17,098,516.40, 25,591,787.40 and 13,291,386.80 is: 19,893,559.02
Step by Step Solution
- Step 1: Write the proportion equation
17,098,516.40 : 25,591,787.40 = 13,291,386.80 : x - Step 2: Convert to fraction form
17,098,516.40/25,591,787.40 = 13,291,386.80/x - Step 3: Cross multiply
17,098,516.40x = 25,591,787.40 × 13,291,386.80 - Step 4: Simplify right side
17,098,516.40x = 340,150,345,236,766.31 - Step 5: Solve for x
x = 340,150,345,236,766.31/17,098,516.40 - Step 6: Final answer
x = 19,893,559.02
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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.