Finding the Fourth Proportional to 8,095,045.20, 12,126,821.40 and 4,890,652.80
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Solution
The fourth proportional to 8,095,045.20, 12,126,821.40 and 4,890,652.80 is: 7,326,465.95
Step by Step Solution
- Step 1: Write the proportion equation
8,095,045.20 : 12,126,821.40 = 4,890,652.80 : x - Step 2: Convert to fraction form
8,095,045.20/12,126,821.40 = 4,890,652.80/x - Step 3: Cross multiply
8,095,045.20x = 12,126,821.40 × 4,890,652.80 - Step 4: Simplify right side
8,095,045.20x = 59,308,073,035,009.92 - Step 5: Solve for x
x = 59,308,073,035,009.92/8,095,045.20 - Step 6: Final answer
x = 7,326,465.95
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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.