Finding the Fourth Proportional to 32,331,926.80, 48,497,890.20 and 20,852,801.20
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Solution
The fourth proportional to 32,331,926.80, 48,497,890.20 and 20,852,801.20 is: 31,279,201.80
Step by Step Solution
- Step 1: Write the proportion equation
32,331,926.80 : 48,497,890.20 = 20,852,801.20 : x - Step 2: Convert to fraction form
32,331,926.80/48,497,890.20 = 20,852,801.20/x - Step 3: Cross multiply
32,331,926.80x = 48,497,890.20 × 20,852,801.20 - Step 4: Simplify right side
32,331,926.80x = 1,011,316,862,960,028.25 - Step 5: Solve for x
x = 1,011,316,862,960,028.25/32,331,926.80 - Step 6: Final answer
x = 31,279,201.80
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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.