Finding the Fourth Proportional to 12,894,216.71, 19,341,324.86 and 3,796,315.74
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Solution
The fourth proportional to 12,894,216.71, 19,341,324.86 and 3,796,315.74 is: 5,694,473.55
Step by Step Solution
- Step 1: Write the proportion equation
12,894,216.71 : 19,341,324.86 = 3,796,315.74 : x - Step 2: Convert to fraction form
12,894,216.71/19,341,324.86 = 3,796,315.74/x - Step 3: Cross multiply
12,894,216.71x = 19,341,324.86 × 3,796,315.74 - Step 4: Simplify right side
12,894,216.71x = 73,425,775,979,489.72 - Step 5: Solve for x
x = 73,425,775,979,489.72/12,894,216.71 - Step 6: Final answer
x = 5,694,473.55
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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.