Finding the Fourth Proportional to 8,885,769.17, 13,319,680.57 and 3,498,201.05
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Solution
The fourth proportional to 8,885,769.17, 13,319,680.57 and 3,498,201.05 is: 5,243,768.95
Step by Step Solution
- Step 1: Write the proportion equation
8,885,769.17 : 13,319,680.57 = 3,498,201.05 : x - Step 2: Convert to fraction form
8,885,769.17/13,319,680.57 = 3,498,201.05/x - Step 3: Cross multiply
8,885,769.17x = 13,319,680.57 × 3,498,201.05 - Step 4: Simplify right side
8,885,769.17x = 46,594,920,480,294.70 - Step 5: Solve for x
x = 46,594,920,480,294.70/8,885,769.17 - Step 6: Final answer
x = 5,243,768.95
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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.