Finding the Fourth Proportional to 8,349,416.70, 12,514,793.85 and 4,756,904.70
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Solution
The fourth proportional to 8,349,416.70, 12,514,793.85 and 4,756,904.70 is: 7,130,040.79
Step by Step Solution
- Step 1: Write the proportion equation
8,349,416.70 : 12,514,793.85 = 4,756,904.70 : x - Step 2: Convert to fraction form
8,349,416.70/12,514,793.85 = 4,756,904.70/x - Step 3: Cross multiply
8,349,416.70x = 12,514,793.85 × 4,756,904.70 - Step 4: Simplify right side
8,349,416.70x = 59,531,681,684,596.09 - Step 5: Solve for x
x = 59,531,681,684,596.09/8,349,416.70 - Step 6: Final answer
x = 7,130,040.79
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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.