Finding the Fourth Proportional to 19,700,544.66, 29,568,982.29 and 9,991,971.48
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Solution
The fourth proportional to 19,700,544.66, 29,568,982.29 and 9,991,971.48 is: 14,997,170.53
Step by Step Solution
- Step 1: Write the proportion equation
19,700,544.66 : 29,568,982.29 = 9,991,971.48 : x - Step 2: Convert to fraction form
19,700,544.66/29,568,982.29 = 9,991,971.48/x - Step 3: Cross multiply
19,700,544.66x = 29,568,982.29 × 9,991,971.48 - Step 4: Simplify right side
19,700,544.66x = 295,452,427,734,305.06 - Step 5: Solve for x
x = 295,452,427,734,305.06/19,700,544.66 - Step 6: Final answer
x = 14,997,170.53
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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.