Finding the Fourth Proportional to 11,457,898.54, 15,811,680.71 and 6,301,260.08
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Solution
The fourth proportional to 11,457,898.54, 15,811,680.71 and 6,301,260.08 is: 8,695,618.33
Step by Step Solution
- Step 1: Write the proportion equation
11,457,898.54 : 15,811,680.71 = 6,301,260.08 : x - Step 2: Convert to fraction form
11,457,898.54/15,811,680.71 = 6,301,260.08/x - Step 3: Cross multiply
11,457,898.54x = 15,811,680.71 × 6,301,260.08 - Step 4: Simplify right side
11,457,898.54x = 99,633,512,522,832.86 - Step 5: Solve for x
x = 99,633,512,522,832.86/11,457,898.54 - Step 6: Final answer
x = 8,695,618.33
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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.