Finding the Fourth Proportional to 29,102,739.81, 43,646,660.94 and 8,627,671.20
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Solution
The fourth proportional to 29,102,739.81, 43,646,660.94 and 8,627,671.20 is: 12,939,298.57
Step by Step Solution
- Step 1: Write the proportion equation
29,102,739.81 : 43,646,660.94 = 8,627,671.20 : x - Step 2: Convert to fraction form
29,102,739.81/43,646,660.94 = 8,627,671.20/x - Step 3: Cross multiply
29,102,739.81x = 43,646,660.94 × 8,627,671.20 - Step 4: Simplify right side
29,102,739.81x = 376,569,039,568,202.88 - Step 5: Solve for x
x = 376,569,039,568,202.88/29,102,739.81 - Step 6: Final answer
x = 12,939,298.57
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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.