Finding the Fourth Proportional to 13,009,073.07, 17,952,283.21 and 7,207,833.63
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Solution
The fourth proportional to 13,009,073.07, 17,952,283.21 and 7,207,833.63 is: 9,946,678.75
Step by Step Solution
- Step 1: Write the proportion equation
13,009,073.07 : 17,952,283.21 = 7,207,833.63 : x - Step 2: Convert to fraction form
13,009,073.07/17,952,283.21 = 7,207,833.63/x - Step 3: Cross multiply
13,009,073.07x = 17,952,283.21 × 7,207,833.63 - Step 4: Simplify right side
13,009,073.07x = 129,397,070,656,322.36 - Step 5: Solve for x
x = 129,397,070,656,322.36/13,009,073.07 - Step 6: Final answer
x = 9,946,678.75
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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.