Finding the Fourth Proportional to 8,615,711.58, 11,889,682.04 and 4,748,232.79
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Solution
The fourth proportional to 8,615,711.58, 11,889,682.04 and 4,748,232.79 is: 6,552,561.28
Step by Step Solution
- Step 1: Write the proportion equation
8,615,711.58 : 11,889,682.04 = 4,748,232.79 : x - Step 2: Convert to fraction form
8,615,711.58/11,889,682.04 = 4,748,232.79/x - Step 3: Cross multiply
8,615,711.58x = 11,889,682.04 × 4,748,232.79 - Step 4: Simplify right side
8,615,711.58x = 56,454,978,125,002.09 - Step 5: Solve for x
x = 56,454,978,125,002.09/8,615,711.58 - Step 6: Final answer
x = 6,552,561.28
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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.