Finding the Fourth Proportional to 11,727,113.28, 17,590,420.80 and 3,207,449.76
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Solution
The fourth proportional to 11,727,113.28, 17,590,420.80 and 3,207,449.76 is: 4,811,106.50
Step by Step Solution
- Step 1: Write the proportion equation
11,727,113.28 : 17,590,420.80 = 3,207,449.76 : x - Step 2: Convert to fraction form
11,727,113.28/17,590,420.80 = 3,207,449.76/x - Step 3: Cross multiply
11,727,113.28x = 17,590,420.80 × 3,207,449.76 - Step 4: Simplify right side
11,727,113.28x = 56,420,390,973,259.01 - Step 5: Solve for x
x = 56,420,390,973,259.01/11,727,113.28 - Step 6: Final answer
x = 4,811,106.50
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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.