Finding the Fourth Proportional to 13,557,727.99, 20,334,347.54 and 4,459,939.21
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Solution
The fourth proportional to 13,557,727.99, 20,334,347.54 and 4,459,939.21 is: 6,689,170.48
Step by Step Solution
- Step 1: Write the proportion equation
13,557,727.99 : 20,334,347.54 = 4,459,939.21 : x - Step 2: Convert to fraction form
13,557,727.99/20,334,347.54 = 4,459,939.21/x - Step 3: Cross multiply
13,557,727.99x = 20,334,347.54 × 4,459,939.21 - Step 4: Simplify right side
13,557,727.99x = 90,689,953,779,441.61 - Step 5: Solve for x
x = 90,689,953,779,441.61/13,557,727.99 - Step 6: Final answer
x = 6,689,170.48
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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.