Finding the Fourth Proportional to 8,415,056.70, 12,622,585.05 and 7,375,794.30
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Solution
The fourth proportional to 8,415,056.70, 12,622,585.05 and 7,375,794.30 is: 11,063,691.45
Step by Step Solution
- Step 1: Write the proportion equation
8,415,056.70 : 12,622,585.05 = 7,375,794.30 : x - Step 2: Convert to fraction form
8,415,056.70/12,622,585.05 = 7,375,794.30/x - Step 3: Cross multiply
8,415,056.70x = 12,622,585.05 × 7,375,794.30 - Step 4: Simplify right side
8,415,056.70x = 93,101,590,863,055.22 - Step 5: Solve for x
x = 93,101,590,863,055.22/8,415,056.70 - Step 6: Final answer
x = 11,063,691.45
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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.