Finding the Fourth Proportional to 7,776,273.40, 11,648,663.70 and 4,406,543.80
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Solution
The fourth proportional to 7,776,273.40, 11,648,663.70 and 4,406,543.80 is: 6,600,892.76
Step by Step Solution
- Step 1: Write the proportion equation
7,776,273.40 : 11,648,663.70 = 4,406,543.80 : x - Step 2: Convert to fraction form
7,776,273.40/11,648,663.70 = 4,406,543.80/x - Step 3: Cross multiply
7,776,273.40x = 11,648,663.70 × 4,406,543.80 - Step 4: Simplify right side
7,776,273.40x = 51,330,346,805,520.05 - Step 5: Solve for x
x = 51,330,346,805,520.05/7,776,273.40 - Step 6: Final answer
x = 6,600,892.76
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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.