Finding the Fourth Proportional to 32,257,990.40, 48,386,985.60 and 12,059,052.80
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Solution
The fourth proportional to 32,257,990.40, 48,386,985.60 and 12,059,052.80 is: 18,088,579.20
Step by Step Solution
- Step 1: Write the proportion equation
32,257,990.40 : 48,386,985.60 = 12,059,052.80 : x - Step 2: Convert to fraction form
32,257,990.40/48,386,985.60 = 12,059,052.80/x - Step 3: Cross multiply
32,257,990.40x = 48,386,985.60 × 12,059,052.80 - Step 4: Simplify right side
32,257,990.40x = 583,501,214,183,239.75 - Step 5: Solve for x
x = 583,501,214,183,239.75/32,257,990.40 - Step 6: Final answer
x = 18,088,579.20
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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.