Finding the Fourth Proportional to 8,607,212.79, 11,877,694.05 and 4,739,754.79
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Solution
The fourth proportional to 8,607,212.79, 11,877,694.05 and 4,739,754.79 is: 6,540,718.66
Step by Step Solution
- Step 1: Write the proportion equation
8,607,212.79 : 11,877,694.05 = 4,739,754.79 : x - Step 2: Convert to fraction form
8,607,212.79/11,877,694.05 = 4,739,754.79/x - Step 3: Cross multiply
8,607,212.79x = 11,877,694.05 × 4,739,754.79 - Step 4: Simplify right side
8,607,212.79x = 56,297,357,273,602.08 - Step 5: Solve for x
x = 56,297,357,273,602.08/8,607,212.79 - Step 6: Final answer
x = 6,540,718.66
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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.