Finding the Fourth Proportional to 7,567,708.44, 11,344,812.60 and 2,774,278.56
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Solution
The fourth proportional to 7,567,708.44, 11,344,812.60 and 2,774,278.56 is: 4,158,943.31
Step by Step Solution
- Step 1: Write the proportion equation
7,567,708.44 : 11,344,812.60 = 2,774,278.56 : x - Step 2: Convert to fraction form
7,567,708.44/11,344,812.60 = 2,774,278.56/x - Step 3: Cross multiply
7,567,708.44x = 11,344,812.60 × 2,774,278.56 - Step 4: Simplify right side
7,567,708.44x = 31,473,670,363,397.86 - Step 5: Solve for x
x = 31,473,670,363,397.86/7,567,708.44 - Step 6: Final answer
x = 4,158,943.31
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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.