Finding the Fourth Proportional to 13,441,435.48, 20,156,594.70 and 4,216,330.94
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Solution
The fourth proportional to 13,441,435.48, 20,156,594.70 and 4,216,330.94 is: 6,322,752.80
Step by Step Solution
- Step 1: Write the proportion equation
13,441,435.48 : 20,156,594.70 = 4,216,330.94 : x - Step 2: Convert to fraction form
13,441,435.48/20,156,594.70 = 4,216,330.94/x - Step 3: Cross multiply
13,441,435.48x = 20,156,594.70 × 4,216,330.94 - Step 4: Simplify right side
13,441,435.48x = 84,986,873,878,650.02 - Step 5: Solve for x
x = 84,986,873,878,650.02/13,441,435.48 - Step 6: Final answer
x = 6,322,752.80
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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.