Finding the Fourth Proportional to 7,730,000.68, 10,668,384.90 and 4,674,236.68
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Solution
The fourth proportional to 7,730,000.68, 10,668,384.90 and 4,674,236.68 is: 6,451,041.61
Step by Step Solution
- Step 1: Write the proportion equation
7,730,000.68 : 10,668,384.90 = 4,674,236.68 : x - Step 2: Convert to fraction form
7,730,000.68/10,668,384.90 = 4,674,236.68/x - Step 3: Cross multiply
7,730,000.68x = 10,668,384.90 × 4,674,236.68 - Step 4: Simplify right side
7,730,000.68x = 49,866,556,015,938.13 - Step 5: Solve for x
x = 49,866,556,015,938.13/7,730,000.68 - Step 6: Final answer
x = 6,451,041.61
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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.