Finding the Fourth Proportional to 46,245,045.64, 69,383,054.87 and 15,122,138.06
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Solution
The fourth proportional to 46,245,045.64, 69,383,054.87 and 15,122,138.06 is: 22,688,271.15
Step by Step Solution
- Step 1: Write the proportion equation
46,245,045.64 : 69,383,054.87 = 15,122,138.06 : x - Step 2: Convert to fraction form
46,245,045.64/69,383,054.87 = 15,122,138.06/x - Step 3: Cross multiply
46,245,045.64x = 69,383,054.87 × 15,122,138.06 - Step 4: Simplify right side
46,245,045.64x = 1,049,220,135,008,312.38 - Step 5: Solve for x
x = 1,049,220,135,008,312.38/46,245,045.64 - Step 6: Final answer
x = 22,688,271.15
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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.