Finding the Fourth Proportional to 8,958,548.70, 12,362,264.55 and 5,090,533.02
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Solution
The fourth proportional to 8,958,548.70, 12,362,264.55 and 5,090,533.02 is: 7,024,632.90
Step by Step Solution
- Step 1: Write the proportion equation
8,958,548.70 : 12,362,264.55 = 5,090,533.02 : x - Step 2: Convert to fraction form
8,958,548.70/12,362,264.55 = 5,090,533.02/x - Step 3: Cross multiply
8,958,548.70x = 12,362,264.55 × 5,090,533.02 - Step 4: Simplify right side
8,958,548.70x = 62,930,515,893,750.44 - Step 5: Solve for x
x = 62,930,515,893,750.44/8,958,548.70 - Step 6: Final answer
x = 7,024,632.90
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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.