Finding the Fourth Proportional to 21,851,497.40, 32,777,246.10 and 7,473,284.60
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Solution
The fourth proportional to 21,851,497.40, 32,777,246.10 and 7,473,284.60 is: 11,209,926.90
Step by Step Solution
- Step 1: Write the proportion equation
21,851,497.40 : 32,777,246.10 = 7,473,284.60 : x - Step 2: Convert to fraction form
21,851,497.40/32,777,246.10 = 7,473,284.60/x - Step 3: Cross multiply
21,851,497.40x = 32,777,246.10 × 7,473,284.60 - Step 4: Simplify right side
21,851,497.40x = 244,953,688,509,540.06 - Step 5: Solve for x
x = 244,953,688,509,540.06/21,851,497.40 - Step 6: Final answer
x = 11,209,926.90
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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.