Finding the Fourth Proportional to 7,600,681.26, 10,489,109.88 and 4,337,431.02
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Solution
The fourth proportional to 7,600,681.26, 10,489,109.88 and 4,337,431.02 is: 5,985,751.67
Step by Step Solution
- Step 1: Write the proportion equation
7,600,681.26 : 10,489,109.88 = 4,337,431.02 : x - Step 2: Convert to fraction form
7,600,681.26/10,489,109.88 = 4,337,431.02/x - Step 3: Cross multiply
7,600,681.26x = 10,489,109.88 × 4,337,431.02 - Step 4: Simplify right side
7,600,681.26x = 45,495,790,565,700.48 - Step 5: Solve for x
x = 45,495,790,565,700.48/7,600,681.26 - Step 6: Final answer
x = 5,985,751.67
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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.