Finding the Fourth Proportional to 7,402,099.68, 10,211,769.36 and 4,955,497.92
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Solution
The fourth proportional to 7,402,099.68, 10,211,769.36 and 4,955,497.92 is: 6,836,492.89
Step by Step Solution
- Step 1: Write the proportion equation
7,402,099.68 : 10,211,769.36 = 4,955,497.92 : x - Step 2: Convert to fraction form
7,402,099.68/10,211,769.36 = 4,955,497.92/x - Step 3: Cross multiply
7,402,099.68x = 10,211,769.36 × 4,955,497.92 - Step 4: Simplify right side
7,402,099.68x = 50,604,401,822,999.73 - Step 5: Solve for x
x = 50,604,401,822,999.73/7,402,099.68 - Step 6: Final answer
x = 6,836,492.89
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1.5x scale
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.