Finding the Fourth Proportional to 17,681,977.26, 26,522,973.18 and 7,955,232.81
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Solution
The fourth proportional to 17,681,977.26, 26,522,973.18 and 7,955,232.81 is: 11,932,852.49
Step by Step Solution
- Step 1: Write the proportion equation
17,681,977.26 : 26,522,973.18 = 7,955,232.81 : x - Step 2: Convert to fraction form
17,681,977.26/26,522,973.18 = 7,955,232.81/x - Step 3: Cross multiply
17,681,977.26x = 26,522,973.18 × 7,955,232.81 - Step 4: Simplify right side
17,681,977.26x = 210,996,426,460,286.03 - Step 5: Solve for x
x = 210,996,426,460,286.03/17,681,977.26 - Step 6: Final answer
x = 11,932,852.49
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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.