Finding the Fourth Proportional to 7,508,286, 10,369,988.28 and 5,089,638.96
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Solution
The fourth proportional to 7,508,286, 10,369,988.28 and 5,089,638.96 is: 7,029,499.99
Step by Step Solution
- Step 1: Write the proportion equation
7,508,286 : 10,369,988.28 = 5,089,638.96 : x - Step 2: Convert to fraction form
7,508,286/10,369,988.28 = 5,089,638.96/x - Step 3: Cross multiply
7,508,286x = 10,369,988.28 × 5,089,638.96 - Step 4: Simplify right side
7,508,286x = 52,779,496,364,631.38 - Step 5: Solve for x
x = 52,779,496,364,631.38/7,508,286 - Step 6: Final answer
x = 7,029,499.99
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1.5x scale
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.