Finding the Fourth Proportional to 18,830,246.84, 25,986,603.72 and 10,457,654.90
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Solution
The fourth proportional to 18,830,246.84, 25,986,603.72 and 10,457,654.90 is: 14,432,043.09
Step by Step Solution
- Step 1: Write the proportion equation
18,830,246.84 : 25,986,603.72 = 10,457,654.90 : x - Step 2: Convert to fraction form
18,830,246.84/25,986,603.72 = 10,457,654.90/x - Step 3: Cross multiply
18,830,246.84x = 25,986,603.72 × 10,457,654.90 - Step 4: Simplify right side
18,830,246.84x = 271,758,933,726,816.22 - Step 5: Solve for x
x = 271,758,933,726,816.22/18,830,246.84 - Step 6: Final answer
x = 14,432,043.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.