Finding the Fourth Proportional to 8,889,476.55, 13,334,214.83 and 6,649,988.55
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Solution
The fourth proportional to 8,889,476.55, 13,334,214.83 and 6,649,988.55 is: 9,974,982.83
Step by Step Solution
- Step 1: Write the proportion equation
8,889,476.55 : 13,334,214.83 = 6,649,988.55 : x - Step 2: Convert to fraction form
8,889,476.55/13,334,214.83 = 6,649,988.55/x - Step 3: Cross multiply
8,889,476.55x = 13,334,214.83 × 6,649,988.55 - Step 4: Simplify right side
8,889,476.55x = 88,672,375,942,740.19 - Step 5: Solve for x
x = 88,672,375,942,740.19/8,889,476.55 - Step 6: Final answer
x = 9,974,982.83
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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.