Finding the Fourth Proportional to 6,750,670.93, 9,316,346.61 and 3,810,985.66
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Solution
The fourth proportional to 6,750,670.93, 9,316,346.61 and 3,810,985.66 is: 5,259,397.73
Step by Step Solution
- Step 1: Write the proportion equation
6,750,670.93 : 9,316,346.61 = 3,810,985.66 : x - Step 2: Convert to fraction form
6,750,670.93/9,316,346.61 = 3,810,985.66/x - Step 3: Cross multiply
6,750,670.93x = 9,316,346.61 × 3,810,985.66 - Step 4: Simplify right side
6,750,670.93x = 35,504,463,337,311.05 - Step 5: Solve for x
x = 35,504,463,337,311.05/6,750,670.93 - Step 6: Final answer
x = 5,259,397.73
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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.