Finding the Fourth Proportional to 7,381,605.70, 11,072,408.55 and 6,184,879.30
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Solution
The fourth proportional to 7,381,605.70, 11,072,408.55 and 6,184,879.30 is: 9,277,318.95
Step by Step Solution
- Step 1: Write the proportion equation
7,381,605.70 : 11,072,408.55 = 6,184,879.30 : x - Step 2: Convert to fraction form
7,381,605.70/11,072,408.55 = 6,184,879.30/x - Step 3: Cross multiply
7,381,605.70x = 11,072,408.55 × 6,184,879.30 - Step 4: Simplify right side
7,381,605.70x = 68,481,510,442,038.02 - Step 5: Solve for x
x = 68,481,510,442,038.02/7,381,605.70 - Step 6: Final answer
x = 9,277,318.95
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1.5x scale
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.