Finding the Fourth Proportional to 15,716,156.56, 23,574,241.05 and 7,070,157.97
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Solution
The fourth proportional to 15,716,156.56, 23,574,241.05 and 7,070,157.97 is: 10,605,239.75
Step by Step Solution
- Step 1: Write the proportion equation
15,716,156.56 : 23,574,241.05 = 7,070,157.97 : x - Step 2: Convert to fraction form
15,716,156.56/23,574,241.05 = 7,070,157.97/x - Step 3: Cross multiply
15,716,156.56x = 23,574,241.05 × 7,070,157.97 - Step 4: Simplify right side
15,716,156.56x = 166,673,608,246,358.66 - Step 5: Solve for x
x = 166,673,608,246,358.66/15,716,156.56 - Step 6: Final answer
x = 10,605,239.75
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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.