Finding the Fourth Proportional to 12,283,195.32, 18,427,154.58 and 4,709,570.40
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Solution
The fourth proportional to 12,283,195.32, 18,427,154.58 and 4,709,570.40 is: 7,065,261.07
Step by Step Solution
- Step 1: Write the proportion equation
12,283,195.32 : 18,427,154.58 = 4,709,570.40 : x - Step 2: Convert to fraction form
12,283,195.32/18,427,154.58 = 4,709,570.40/x - Step 3: Cross multiply
12,283,195.32x = 18,427,154.58 × 4,709,570.40 - Step 4: Simplify right side
12,283,195.32x = 86,783,981,766,192.44 - Step 5: Solve for x
x = 86,783,981,766,192.44/12,283,195.32 - Step 6: Final answer
x = 7,065,261.07
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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.