Finding the Fourth Proportional to 17,889,735.80, 26,834,603.70 and 4,426,563.80
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Solution
The fourth proportional to 17,889,735.80, 26,834,603.70 and 4,426,563.80 is: 6,639,845.70
Step by Step Solution
- Step 1: Write the proportion equation
17,889,735.80 : 26,834,603.70 = 4,426,563.80 : x - Step 2: Convert to fraction form
17,889,735.80/26,834,603.70 = 4,426,563.80/x - Step 3: Cross multiply
17,889,735.80x = 26,834,603.70 × 4,426,563.80 - Step 4: Simplify right side
17,889,735.80x = 118,785,085,325,766.05 - Step 5: Solve for x
x = 118,785,085,325,766.05/17,889,735.80 - Step 6: Final answer
x = 6,639,845.70
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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.