Finding the Fourth Proportional to 10,761,861.06, 14,842,970.28 and 6,894,742.05
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Solution
The fourth proportional to 10,761,861.06, 14,842,970.28 and 6,894,742.05 is: 9,509,363.74
Step by Step Solution
- Step 1: Write the proportion equation
10,761,861.06 : 14,842,970.28 = 6,894,742.05 : x - Step 2: Convert to fraction form
10,761,861.06/14,842,970.28 = 6,894,742.05/x - Step 3: Cross multiply
10,761,861.06x = 14,842,970.28 × 6,894,742.05 - Step 4: Simplify right side
10,761,861.06x = 102,338,451,336,416.27 - Step 5: Solve for x
x = 102,338,451,336,416.27/10,761,861.06 - Step 6: Final answer
x = 9,509,363.74
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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.