Finding the Fourth Proportional to 21,450,763.32, 29,611,595.70 and 12,751,752.12
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Solution
The fourth proportional to 21,450,763.32, 29,611,595.70 and 12,751,752.12 is: 17,603,090.51
Step by Step Solution
- Step 1: Write the proportion equation
21,450,763.32 : 29,611,595.70 = 12,751,752.12 : x - Step 2: Convert to fraction form
21,450,763.32/29,611,595.70 = 12,751,752.12/x - Step 3: Cross multiply
21,450,763.32x = 29,611,595.70 × 12,751,752.12 - Step 4: Simplify right side
21,450,763.32x = 377,599,728,244,057.88 - Step 5: Solve for x
x = 377,599,728,244,057.88/21,450,763.32 - Step 6: Final answer
x = 17,603,090.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.