Finding the Fourth Proportional to 27,671,163.70, 41,506,745.55 and 9,720,267.70
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Solution
The fourth proportional to 27,671,163.70, 41,506,745.55 and 9,720,267.70 is: 14,580,401.55
Step by Step Solution
- Step 1: Write the proportion equation
27,671,163.70 : 41,506,745.55 = 9,720,267.70 : x - Step 2: Convert to fraction form
27,671,163.70/41,506,745.55 = 9,720,267.70/x - Step 3: Cross multiply
27,671,163.70x = 41,506,745.55 × 9,720,267.70 - Step 4: Simplify right side
27,671,163.70x = 403,456,678,101,783.69 - Step 5: Solve for x
x = 403,456,678,101,783.69/27,671,163.70 - Step 6: Final answer
x = 14,580,401.55
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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.