Finding the Fourth Proportional to 7,192,052.24, 9,925,334.16 and 4,136,269.28
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Solution
The fourth proportional to 7,192,052.24, 9,925,334.16 and 4,136,269.28 is: 5,708,225.33
Step by Step Solution
- Step 1: Write the proportion equation
7,192,052.24 : 9,925,334.16 = 4,136,269.28 : x - Step 2: Convert to fraction form
7,192,052.24/9,925,334.16 = 4,136,269.28/x - Step 3: Cross multiply
7,192,052.24x = 9,925,334.16 × 4,136,269.28 - Step 4: Simplify right side
7,192,052.24x = 41,053,854,779,742.60 - Step 5: Solve for x
x = 41,053,854,779,742.60/7,192,052.24 - Step 6: Final answer
x = 5,708,225.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.