Finding the Fourth Proportional to 15,395,035.32, 21,245,205.04 and 8,330,628.62
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Solution
The fourth proportional to 15,395,035.32, 21,245,205.04 and 8,330,628.62 is: 11,496,297.96
Step by Step Solution
- Step 1: Write the proportion equation
15,395,035.32 : 21,245,205.04 = 8,330,628.62 : x - Step 2: Convert to fraction form
15,395,035.32/21,245,205.04 = 8,330,628.62/x - Step 3: Cross multiply
15,395,035.32x = 21,245,205.04 × 8,330,628.62 - Step 4: Simplify right side
15,395,035.32x = 176,985,913,139,952.28 - Step 5: Solve for x
x = 176,985,913,139,952.28/15,395,035.32 - Step 6: Final answer
x = 11,496,297.96
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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.