Finding the Fourth Proportional to 19,973,237.24, 27,591,284.94 and 15,893,636.60
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Solution
The fourth proportional to 19,973,237.24, 27,591,284.94 and 15,893,636.60 is: 21,955,672.53
Step by Step Solution
- Step 1: Write the proportion equation
19,973,237.24 : 27,591,284.94 = 15,893,636.60 : x - Step 2: Convert to fraction form
19,973,237.24/27,591,284.94 = 15,893,636.60/x - Step 3: Cross multiply
19,973,237.24x = 27,591,284.94 × 15,893,636.60 - Step 4: Simplify right side
19,973,237.24x = 438,525,856,163,412.81 - Step 5: Solve for x
x = 438,525,856,163,412.81/19,973,237.24 - Step 6: Final answer
x = 21,955,672.53
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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.