Finding the Fourth Proportional to 7,672,635.63, 10,587,482.87 and 4,234,655.03
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Solution
The fourth proportional to 7,672,635.63, 10,587,482.87 and 4,234,655.03 is: 5,843,407.62
Step by Step Solution
- Step 1: Write the proportion equation
7,672,635.63 : 10,587,482.87 = 4,234,655.03 : x - Step 2: Convert to fraction form
7,672,635.63/10,587,482.87 = 4,234,655.03/x - Step 3: Cross multiply
7,672,635.63x = 10,587,482.87 × 4,234,655.03 - Step 4: Simplify right side
7,672,635.63x = 44,834,337,516,373.65 - Step 5: Solve for x
x = 44,834,337,516,373.65/7,672,635.63 - Step 6: Final answer
x = 5,843,407.62
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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.