Finding the Fourth Proportional to 21,609,601.40, 32,414,457.40 and 8,830,106.06
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Solution
The fourth proportional to 21,609,601.40, 32,414,457.40 and 8,830,106.06 is: 13,245,181.68
Step by Step Solution
- Step 1: Write the proportion equation
21,609,601.40 : 32,414,457.40 = 8,830,106.06 : x - Step 2: Convert to fraction form
21,609,601.40/32,414,457.40 = 8,830,106.06/x - Step 3: Cross multiply
21,609,601.40x = 32,414,457.40 × 8,830,106.06 - Step 4: Simplify right side
21,609,601.40x = 286,223,096,535,204.31 - Step 5: Solve for x
x = 286,223,096,535,204.31/21,609,601.40 - Step 6: Final answer
x = 13,245,181.68
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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.