Finding the Fourth Proportional to 7,535,201.74, 10,398,459.78 and 4,097,412.70
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Solution
The fourth proportional to 7,535,201.74, 10,398,459.78 and 4,097,412.70 is: 5,654,365.02
Step by Step Solution
- Step 1: Write the proportion equation
7,535,201.74 : 10,398,459.78 = 4,097,412.70 : x - Step 2: Convert to fraction form
7,535,201.74/10,398,459.78 = 4,097,412.70/x - Step 3: Cross multiply
7,535,201.74x = 10,398,459.78 × 4,097,412.70 - Step 4: Simplify right side
7,535,201.74x = 42,606,781,137,015.05 - Step 5: Solve for x
x = 42,606,781,137,015.05/7,535,201.74 - Step 6: Final answer
x = 5,654,365.02
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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.