Finding the Fourth Proportional to 13,509,904.26, 18,643,527.99 and 7,314,844.38
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Solution
The fourth proportional to 13,509,904.26, 18,643,527.99 and 7,314,844.38 is: 10,094,409.50
Step by Step Solution
- Step 1: Write the proportion equation
13,509,904.26 : 18,643,527.99 = 7,314,844.38 : x - Step 2: Convert to fraction form
13,509,904.26/18,643,527.99 = 7,314,844.38/x - Step 3: Cross multiply
13,509,904.26x = 18,643,527.99 × 7,314,844.38 - Step 4: Simplify right side
13,509,904.26x = 136,374,505,941,024.19 - Step 5: Solve for x
x = 136,374,505,941,024.19/13,509,904.26 - Step 6: Final answer
x = 10,094,409.50
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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.