Finding the Fourth Proportional to 6,137,309.47, 8,473,115.81 and 5,456,361.50
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Solution
The fourth proportional to 6,137,309.47, 8,473,115.81 and 5,456,361.50 is: 7,533,004.99
Step by Step Solution
- Step 1: Write the proportion equation
6,137,309.47 : 8,473,115.81 = 5,456,361.50 : x - Step 2: Convert to fraction form
6,137,309.47/8,473,115.81 = 5,456,361.50/x - Step 3: Cross multiply
6,137,309.47x = 8,473,115.81 × 5,456,361.50 - Step 4: Simplify right side
6,137,309.47x = 46,232,382,890,725.32 - Step 5: Solve for x
x = 46,232,382,890,725.32/6,137,309.47 - Step 6: Final answer
x = 7,533,004.99
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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.