Finding the Fourth Proportional to 27,563,063.84, 38,037,028.16 and 15,342,807.68
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Solution
The fourth proportional to 27,563,063.84, 38,037,028.16 and 15,342,807.68 is: 21,173,074.63
Step by Step Solution
- Step 1: Write the proportion equation
27,563,063.84 : 38,037,028.16 = 15,342,807.68 : x - Step 2: Convert to fraction form
27,563,063.84/38,037,028.16 = 15,342,807.68/x - Step 3: Cross multiply
27,563,063.84x = 38,037,028.16 × 15,342,807.68 - Step 4: Simplify right side
27,563,063.84x = 583,594,807,777,624.25 - Step 5: Solve for x
x = 583,594,807,777,624.25/27,563,063.84 - Step 6: Final answer
x = 21,173,074.63
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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.