Finding the Fourth Proportional to 12,124,685.68, 18,189,934.88 and 4,037,731.32
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Solution
The fourth proportional to 12,124,685.68, 18,189,934.88 and 4,037,731.32 is: 6,057,564.85
Step by Step Solution
- Step 1: Write the proportion equation
12,124,685.68 : 18,189,934.88 = 4,037,731.32 : x - Step 2: Convert to fraction form
12,124,685.68/18,189,934.88 = 4,037,731.32/x - Step 3: Cross multiply
12,124,685.68x = 18,189,934.88 × 4,037,731.32 - Step 4: Simplify right side
12,124,685.68x = 73,446,069,773,736.44 - Step 5: Solve for x
x = 73,446,069,773,736.44/12,124,685.68 - Step 6: Final answer
x = 6,057,564.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.