Finding the Fourth Proportional to 21,039,534.54, 29,034,282.58 and 11,747,262.84
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Solution
The fourth proportional to 21,039,534.54, 29,034,282.58 and 11,747,262.84 is: 16,211,069.12
Step by Step Solution
- Step 1: Write the proportion equation
21,039,534.54 : 29,034,282.58 = 11,747,262.84 : x - Step 2: Convert to fraction form
21,039,534.54/29,034,282.58 = 11,747,262.84/x - Step 3: Cross multiply
21,039,534.54x = 29,034,282.58 × 11,747,262.84 - Step 4: Simplify right side
21,039,534.54x = 341,073,348,765,924.94 - Step 5: Solve for x
x = 341,073,348,765,924.94/21,039,534.54 - Step 6: Final answer
x = 16,211,069.12
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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.