Finding the Fourth Proportional to 13,330,661.13, 19,996,737.84 and 3,745,291.50
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Solution
The fourth proportional to 13,330,661.13, 19,996,737.84 and 3,745,291.50 is: 5,618,146.88
Step by Step Solution
- Step 1: Write the proportion equation
13,330,661.13 : 19,996,737.84 = 3,745,291.50 : x - Step 2: Convert to fraction form
13,330,661.13/19,996,737.84 = 3,745,291.50/x - Step 3: Cross multiply
13,330,661.13x = 19,996,737.84 × 3,745,291.50 - Step 4: Simplify right side
13,330,661.13x = 74,893,612,259,880.36 - Step 5: Solve for x
x = 74,893,612,259,880.36/13,330,661.13 - Step 6: Final answer
x = 5,618,146.88
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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.