Finding the Fourth Proportional to 9,554,227.93, 13,185,207.74 and 5,424,643.31
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Solution
The fourth proportional to 9,554,227.93, 13,185,207.74 and 5,424,643.31 is: 7,486,219.65
Step by Step Solution
- Step 1: Write the proportion equation
9,554,227.93 : 13,185,207.74 = 5,424,643.31 : x - Step 2: Convert to fraction form
9,554,227.93/13,185,207.74 = 5,424,643.31/x - Step 3: Cross multiply
9,554,227.93x = 13,185,207.74 × 5,424,643.31 - Step 4: Simplify right side
9,554,227.93x = 71,525,048,905,386.78 - Step 5: Solve for x
x = 71,525,048,905,386.78/9,554,227.93 - Step 6: Final answer
x = 7,486,219.65
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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.