Finding the Fourth Proportional to 8,850,970.79, 13,278,818.84 and 3,171,769.19
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Solution
The fourth proportional to 8,850,970.79, 13,278,818.84 and 3,171,769.19 is: 4,758,500.45
Step by Step Solution
- Step 1: Write the proportion equation
8,850,970.79 : 13,278,818.84 = 3,171,769.19 : x - Step 2: Convert to fraction form
8,850,970.79/13,278,818.84 = 3,171,769.19/x - Step 3: Cross multiply
8,850,970.79x = 13,278,818.84 × 3,171,769.19 - Step 4: Simplify right side
8,850,970.79x = 42,117,348,518,539.53 - Step 5: Solve for x
x = 42,117,348,518,539.53/8,850,970.79 - Step 6: Final answer
x = 4,758,500.45
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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.