Finding the Fourth Proportional to 12,644,095.28, 18,946,984.68 and 8,368,947.68
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Solution
The fourth proportional to 12,644,095.28, 18,946,984.68 and 8,368,947.68 is: 12,540,740.95
Step by Step Solution
- Step 1: Write the proportion equation
12,644,095.28 : 18,946,984.68 = 8,368,947.68 : x - Step 2: Convert to fraction form
12,644,095.28/18,946,984.68 = 8,368,947.68/x - Step 3: Cross multiply
12,644,095.28x = 18,946,984.68 × 8,368,947.68 - Step 4: Simplify right side
12,644,095.28x = 158,566,323,480,681.53 - Step 5: Solve for x
x = 158,566,323,480,681.53/12,644,095.28 - Step 6: Final answer
x = 12,540,740.95
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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.