Finding the Fourth Proportional to 18,641,461.68, 27,963,188.94 and 5,862,962.82
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Solution
The fourth proportional to 18,641,461.68, 27,963,188.94 and 5,862,962.82 is: 8,794,757.62
Step by Step Solution
- Step 1: Write the proportion equation
18,641,461.68 : 27,963,188.94 = 5,862,962.82 : x - Step 2: Convert to fraction form
18,641,461.68/27,963,188.94 = 5,862,962.82/x - Step 3: Cross multiply
18,641,461.68x = 27,963,188.94 × 5,862,962.82 - Step 4: Simplify right side
18,641,461.68x = 163,947,137,083,855.22 - Step 5: Solve for x
x = 163,947,137,083,855.22/18,641,461.68 - Step 6: Final answer
x = 8,794,757.62
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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.