Finding the Fourth Proportional to 21,767,068.84, 30,037,652.82 and 11,843,992.12
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Solution
The fourth proportional to 21,767,068.84, 30,037,652.82 and 11,843,992.12 is: 16,344,218.23
Step by Step Solution
- Step 1: Write the proportion equation
21,767,068.84 : 30,037,652.82 = 11,843,992.12 : x - Step 2: Convert to fraction form
21,767,068.84/30,037,652.82 = 11,843,992.12/x - Step 3: Cross multiply
21,767,068.84x = 30,037,652.82 × 11,843,992.12 - Step 4: Simplify right side
21,767,068.84x = 355,765,723,303,375.75 - Step 5: Solve for x
x = 355,765,723,303,375.75/21,767,068.84 - Step 6: Final answer
x = 16,344,218.23
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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.